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Finding the Fourth Proportional to 73,258.02, 101,061.12 and 42,631.11

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Solution

The fourth proportional to 73,258.02, 101,061.12 and 42,631.11 is: 58,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258.02 : 101,061.12 = 42,631.11 : x
  2. Step 2: Convert to fraction form
    73,258.02/101,061.12 = 42,631.11/x
  3. Step 3: Cross multiply
    73,258.02x = 101,061.12 × 42,631.11
  4. Step 4: Simplify right side
    73,258.02x = 4,308,347,723.44
  5. Step 5: Solve for x
    x = 4,308,347,723.44/73,258.02
  6. Step 6: Final answer
    x = 58,810.59

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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.