Home / 91,158.64-136,453.20-57,916.24

Finding the Fourth Proportional to 91,158.64, 136,453.20 and 57,916.24

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Solution

The fourth proportional to 91,158.64, 136,453.20 and 57,916.24 is: 86,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,158.64 : 136,453.20 = 57,916.24 : x
  2. Step 2: Convert to fraction form
    91,158.64/136,453.20 = 57,916.24/x
  3. Step 3: Cross multiply
    91,158.64x = 136,453.20 × 57,916.24
  4. Step 4: Simplify right side
    91,158.64x = 7,902,856,279.97
  5. Step 5: Solve for x
    x = 7,902,856,279.97/91,158.64
  6. Step 6: Final answer
    x = 86,693.44

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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.