Home / 90,547.12-124,949.10-50,258.92

Finding the Fourth Proportional to 90,547.12, 124,949.10 and 50,258.92

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Solution

The fourth proportional to 90,547.12, 124,949.10 and 50,258.92 is: 69,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.12 : 124,949.10 = 50,258.92 : x
  2. Step 2: Convert to fraction form
    90,547.12/124,949.10 = 50,258.92/x
  3. Step 3: Cross multiply
    90,547.12x = 124,949.10 × 50,258.92
  4. Step 4: Simplify right side
    90,547.12x = 6,279,806,820.97
  5. Step 5: Solve for x
    x = 6,279,806,820.97/90,547.12
  6. Step 6: Final answer
    x = 69,354.02

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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.