Home / 77,553.60-107,034.12-45,725.46

Finding the Fourth Proportional to 77,553.60, 107,034.12 and 45,725.46

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Solution

The fourth proportional to 77,553.60, 107,034.12 and 45,725.46 is: 63,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.60 : 107,034.12 = 45,725.46 : x
  2. Step 2: Convert to fraction form
    77,553.60/107,034.12 = 45,725.46/x
  3. Step 3: Cross multiply
    77,553.60x = 107,034.12 × 45,725.46
  4. Step 4: Simplify right side
    77,553.60x = 4,894,184,372.70
  5. Step 5: Solve for x
    x = 4,894,184,372.70/77,553.60
  6. Step 6: Final answer
    x = 63,107.12

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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.