Home / 86,904.25-119,927.87-47,160.25

Finding the Fourth Proportional to 86,904.25, 119,927.87 and 47,160.25

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Solution

The fourth proportional to 86,904.25, 119,927.87 and 47,160.25 is: 65,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904.25 : 119,927.87 = 47,160.25 : x
  2. Step 2: Convert to fraction form
    86,904.25/119,927.87 = 47,160.25/x
  3. Step 3: Cross multiply
    86,904.25x = 119,927.87 × 47,160.25
  4. Step 4: Simplify right side
    86,904.25x = 5,655,828,331.17
  5. Step 5: Solve for x
    x = 5,655,828,331.17/86,904.25
  6. Step 6: Final answer
    x = 65,081.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.