Home / 75,129.10-103,667.98-44,908

Finding the Fourth Proportional to 75,129.10, 103,667.98 and 44,908

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Solution

The fourth proportional to 75,129.10, 103,667.98 and 44,908 is: 61,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.10 : 103,667.98 = 44,908 : x
  2. Step 2: Convert to fraction form
    75,129.10/103,667.98 = 44,908/x
  3. Step 3: Cross multiply
    75,129.10x = 103,667.98 × 44,908
  4. Step 4: Simplify right side
    75,129.10x = 4,655,521,645.84
  5. Step 5: Solve for x
    x = 4,655,521,645.84/75,129.10
  6. Step 6: Final answer
    x = 61,966.96

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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.