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Finding the Fourth Proportional to 73,196.61, 109,619.04 and 62,606.07

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Solution

The fourth proportional to 73,196.61, 109,619.04 and 62,606.07 is: 93,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,196.61 : 109,619.04 = 62,606.07 : x
  2. Step 2: Convert to fraction form
    73,196.61/109,619.04 = 62,606.07/x
  3. Step 3: Cross multiply
    73,196.61x = 109,619.04 × 62,606.07
  4. Step 4: Simplify right side
    73,196.61x = 6,862,817,291.57
  5. Step 5: Solve for x
    x = 6,862,817,291.57/73,196.61
  6. Step 6: Final answer
    x = 93,758.68

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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.