Home / 90,444.76-124,821.66-52,718.20

Finding the Fourth Proportional to 90,444.76, 124,821.66 and 52,718.20

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Solution

The fourth proportional to 90,444.76, 124,821.66 and 52,718.20 is: 72,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.76 : 124,821.66 = 52,718.20 : x
  2. Step 2: Convert to fraction form
    90,444.76/124,821.66 = 52,718.20/x
  3. Step 3: Cross multiply
    90,444.76x = 124,821.66 × 52,718.20
  4. Step 4: Simplify right side
    90,444.76x = 6,580,373,236.21
  5. Step 5: Solve for x
    x = 6,580,373,236.21/90,444.76
  6. Step 6: Final answer
    x = 72,755.72

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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.