Home / 85,737.24-118,358.42-57,104.55

Finding the Fourth Proportional to 85,737.24, 118,358.42 and 57,104.55

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Solution

The fourth proportional to 85,737.24, 118,358.42 and 57,104.55 is: 78,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,737.24 : 118,358.42 = 57,104.55 : x
  2. Step 2: Convert to fraction form
    85,737.24/118,358.42 = 57,104.55/x
  3. Step 3: Cross multiply
    85,737.24x = 118,358.42 × 57,104.55
  4. Step 4: Simplify right side
    85,737.24x = 6,758,804,027.29
  5. Step 5: Solve for x
    x = 6,758,804,027.29/85,737.24
  6. Step 6: Final answer
    x = 78,831.60

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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.