Home / 86,761.04-119,729.39-48,520.15

Finding the Fourth Proportional to 86,761.04, 119,729.39 and 48,520.15

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Solution

The fourth proportional to 86,761.04, 119,729.39 and 48,520.15 is: 66,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,761.04 : 119,729.39 = 48,520.15 : x
  2. Step 2: Convert to fraction form
    86,761.04/119,729.39 = 48,520.15/x
  3. Step 3: Cross multiply
    86,761.04x = 119,729.39 × 48,520.15
  4. Step 4: Simplify right side
    86,761.04x = 5,809,287,420.28
  5. Step 5: Solve for x
    x = 5,809,287,420.28/86,761.04
  6. Step 6: Final answer
    x = 66,957.33

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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.