Home / 83,158.40-114,758.52-45,432.64

Finding the Fourth Proportional to 83,158.40, 114,758.52 and 45,432.64

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Solution

The fourth proportional to 83,158.40, 114,758.52 and 45,432.64 is: 62,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.40 : 114,758.52 = 45,432.64 : x
  2. Step 2: Convert to fraction form
    83,158.40/114,758.52 = 45,432.64/x
  3. Step 3: Cross multiply
    83,158.40x = 114,758.52 × 45,432.64
  4. Step 4: Simplify right side
    83,158.40x = 5,213,782,526.09
  5. Step 5: Solve for x
    x = 5,213,782,526.09/83,158.40
  6. Step 6: Final answer
    x = 62,697.00

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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.