Home / 75,343.47-103,956.52-45,123.18

Finding the Fourth Proportional to 75,343.47, 103,956.52 and 45,123.18

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Solution

The fourth proportional to 75,343.47, 103,956.52 and 45,123.18 is: 62,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,343.47 : 103,956.52 = 45,123.18 : x
  2. Step 2: Convert to fraction form
    75,343.47/103,956.52 = 45,123.18/x
  3. Step 3: Cross multiply
    75,343.47x = 103,956.52 × 45,123.18
  4. Step 4: Simplify right side
    75,343.47x = 4,690,848,764.13
  5. Step 5: Solve for x
    x = 4,690,848,764.13/75,343.47
  6. Step 6: Final answer
    x = 62,259.53

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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.