Home / 85,724.91-118,526.02-75,083.94

Finding the Fourth Proportional to 85,724.91, 118,526.02 and 75,083.94

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Solution

The fourth proportional to 85,724.91, 118,526.02 and 75,083.94 is: 103,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,724.91 : 118,526.02 = 75,083.94 : x
  2. Step 2: Convert to fraction form
    85,724.91/118,526.02 = 75,083.94/x
  3. Step 3: Cross multiply
    85,724.91x = 118,526.02 × 75,083.94
  4. Step 4: Simplify right side
    85,724.91x = 8,899,400,534.57
  5. Step 5: Solve for x
    x = 8,899,400,534.57/85,724.91
  6. Step 6: Final answer
    x = 103,813.47

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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.