Home / 90,813.76-125,321.03-52,574.92

Finding the Fourth Proportional to 90,813.76, 125,321.03 and 52,574.92

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Solution

The fourth proportional to 90,813.76, 125,321.03 and 52,574.92 is: 72,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.76 : 125,321.03 = 52,574.92 : x
  2. Step 2: Convert to fraction form
    90,813.76/125,321.03 = 52,574.92/x
  3. Step 3: Cross multiply
    90,813.76x = 125,321.03 × 52,574.92
  4. Step 4: Simplify right side
    90,813.76x = 6,588,743,126.57
  5. Step 5: Solve for x
    x = 6,588,743,126.57/90,813.76
  6. Step 6: Final answer
    x = 72,552.26

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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.