Home / 85,079.02-127,395.56-59,983.20

Finding the Fourth Proportional to 85,079.02, 127,395.56 and 59,983.20

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Solution

The fourth proportional to 85,079.02, 127,395.56 and 59,983.20 is: 89,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.02 : 127,395.56 = 59,983.20 : x
  2. Step 2: Convert to fraction form
    85,079.02/127,395.56 = 59,983.20/x
  3. Step 3: Cross multiply
    85,079.02x = 127,395.56 × 59,983.20
  4. Step 4: Simplify right side
    85,079.02x = 7,641,593,354.59
  5. Step 5: Solve for x
    x = 7,641,593,354.59/85,079.02
  6. Step 6: Final answer
    x = 89,817.60

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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.