Home / 90,925.28-125,534.31-67,010.30

Finding the Fourth Proportional to 90,925.28, 125,534.31 and 67,010.30

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Solution

The fourth proportional to 90,925.28, 125,534.31 and 67,010.30 is: 92,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.28 : 125,534.31 = 67,010.30 : x
  2. Step 2: Convert to fraction form
    90,925.28/125,534.31 = 67,010.30/x
  3. Step 3: Cross multiply
    90,925.28x = 125,534.31 × 67,010.30
  4. Step 4: Simplify right side
    90,925.28x = 8,412,091,145.72
  5. Step 5: Solve for x
    x = 8,412,091,145.72/90,925.28
  6. Step 6: Final answer
    x = 92,516.53

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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.