Home / 99,747.79-137,633.06-59,465.30

Finding the Fourth Proportional to 99,747.79, 137,633.06 and 59,465.30

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Solution

The fourth proportional to 99,747.79, 137,633.06 and 59,465.30 is: 82,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.79 : 137,633.06 = 59,465.30 : x
  2. Step 2: Convert to fraction form
    99,747.79/137,633.06 = 59,465.30/x
  3. Step 3: Cross multiply
    99,747.79x = 137,633.06 × 59,465.30
  4. Step 4: Simplify right side
    99,747.79x = 8,184,390,663.32
  5. Step 5: Solve for x
    x = 8,184,390,663.32/99,747.79
  6. Step 6: Final answer
    x = 82,050.85

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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.