Home / 86,487.02-119,351.94-48,761.30

Finding the Fourth Proportional to 86,487.02, 119,351.94 and 48,761.30

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Solution

The fourth proportional to 86,487.02, 119,351.94 and 48,761.30 is: 67,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,487.02 : 119,351.94 = 48,761.30 : x
  2. Step 2: Convert to fraction form
    86,487.02/119,351.94 = 48,761.30/x
  3. Step 3: Cross multiply
    86,487.02x = 119,351.94 × 48,761.30
  4. Step 4: Simplify right side
    86,487.02x = 5,819,755,751.92
  5. Step 5: Solve for x
    x = 5,819,755,751.92/86,487.02
  6. Step 6: Final answer
    x = 67,290.51

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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.