Home / 86,235.04-129,352.40-23,905.60

Finding the Fourth Proportional to 86,235.04, 129,352.40 and 23,905.60

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Solution

The fourth proportional to 86,235.04, 129,352.40 and 23,905.60 is: 35,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235.04 : 129,352.40 = 23,905.60 : x
  2. Step 2: Convert to fraction form
    86,235.04/129,352.40 = 23,905.60/x
  3. Step 3: Cross multiply
    86,235.04x = 129,352.40 × 23,905.60
  4. Step 4: Simplify right side
    86,235.04x = 3,092,246,733.44
  5. Step 5: Solve for x
    x = 3,092,246,733.44/86,235.04
  6. Step 6: Final answer
    x = 35,858.36

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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.