Home / 90,479.92-124,836.60-52,746.88

Finding the Fourth Proportional to 90,479.92, 124,836.60 and 52,746.88

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Solution

The fourth proportional to 90,479.92, 124,836.60 and 52,746.88 is: 72,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,479.92 : 124,836.60 = 52,746.88 : x
  2. Step 2: Convert to fraction form
    90,479.92/124,836.60 = 52,746.88/x
  3. Step 3: Cross multiply
    90,479.92x = 124,836.60 × 52,746.88
  4. Step 4: Simplify right side
    90,479.92x = 6,584,741,159.81
  5. Step 5: Solve for x
    x = 6,584,741,159.81/90,479.92
  6. Step 6: Final answer
    x = 72,775.72

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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.