Home / 74,038.32-111,060.52-61,645.73

Finding the Fourth Proportional to 74,038.32, 111,060.52 and 61,645.73

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Solution

The fourth proportional to 74,038.32, 111,060.52 and 61,645.73 is: 92,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,038.32 : 111,060.52 = 61,645.73 : x
  2. Step 2: Convert to fraction form
    74,038.32/111,060.52 = 61,645.73/x
  3. Step 3: Cross multiply
    74,038.32x = 111,060.52 × 61,645.73
  4. Step 4: Simplify right side
    74,038.32x = 6,846,406,120.16
  5. Step 5: Solve for x
    x = 6,846,406,120.16/74,038.32
  6. Step 6: Final answer
    x = 92,471.12

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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.