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Finding the Fourth Proportional to 99,603.27, 137,449.04 and 54,280.34

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Solution

The fourth proportional to 99,603.27, 137,449.04 and 54,280.34 is: 74,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,603.27 : 137,449.04 = 54,280.34 : x
  2. Step 2: Convert to fraction form
    99,603.27/137,449.04 = 54,280.34/x
  3. Step 3: Cross multiply
    99,603.27x = 137,449.04 × 54,280.34
  4. Step 4: Simplify right side
    99,603.27x = 7,460,779,665.23
  5. Step 5: Solve for x
    x = 7,460,779,665.23/99,603.27
  6. Step 6: Final answer
    x = 74,904.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.