Home / 90,552.28-124,927.86-66,735.76

Finding the Fourth Proportional to 90,552.28, 124,927.86 and 66,735.76

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Solution

The fourth proportional to 90,552.28, 124,927.86 and 66,735.76 is: 92,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,552.28 : 124,927.86 = 66,735.76 : x
  2. Step 2: Convert to fraction form
    90,552.28/124,927.86 = 66,735.76/x
  3. Step 3: Cross multiply
    90,552.28x = 124,927.86 × 66,735.76
  4. Step 4: Simplify right side
    90,552.28x = 8,337,155,682.27
  5. Step 5: Solve for x
    x = 8,337,155,682.27/90,552.28
  6. Step 6: Final answer
    x = 92,070.08

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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.