Home / 91,049.64-136,644.63-59,451.12

Finding the Fourth Proportional to 91,049.64, 136,644.63 and 59,451.12

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Solution

The fourth proportional to 91,049.64, 136,644.63 and 59,451.12 is: 89,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.64 : 136,644.63 = 59,451.12 : x
  2. Step 2: Convert to fraction form
    91,049.64/136,644.63 = 59,451.12/x
  3. Step 3: Cross multiply
    91,049.64x = 136,644.63 × 59,451.12
  4. Step 4: Simplify right side
    91,049.64x = 8,123,676,295.49
  5. Step 5: Solve for x
    x = 8,123,676,295.49/91,049.64
  6. Step 6: Final answer
    x = 89,222.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.