Home / 74,267.28-102,437.28-45,956.16

Finding the Fourth Proportional to 74,267.28, 102,437.28 and 45,956.16

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Solution

The fourth proportional to 74,267.28, 102,437.28 and 45,956.16 is: 63,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.28 : 102,437.28 = 45,956.16 : x
  2. Step 2: Convert to fraction form
    74,267.28/102,437.28 = 45,956.16/x
  3. Step 3: Cross multiply
    74,267.28x = 102,437.28 × 45,956.16
  4. Step 4: Simplify right side
    74,267.28x = 4,707,624,029.64
  5. Step 5: Solve for x
    x = 4,707,624,029.64/74,267.28
  6. Step 6: Final answer
    x = 63,387.59

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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.