Home / 86,359.50-129,539.25-37,111.50

Finding the Fourth Proportional to 86,359.50, 129,539.25 and 37,111.50

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Solution

The fourth proportional to 86,359.50, 129,539.25 and 37,111.50 is: 55,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.50 : 129,539.25 = 37,111.50 : x
  2. Step 2: Convert to fraction form
    86,359.50/129,539.25 = 37,111.50/x
  3. Step 3: Cross multiply
    86,359.50x = 129,539.25 × 37,111.50
  4. Step 4: Simplify right side
    86,359.50x = 4,807,395,876.38
  5. Step 5: Solve for x
    x = 4,807,395,876.38/86,359.50
  6. Step 6: Final answer
    x = 55,667.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.