Home / 74,814.94-112,263.72-30,472.91

Finding the Fourth Proportional to 74,814.94, 112,263.72 and 30,472.91

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Solution

The fourth proportional to 74,814.94, 112,263.72 and 30,472.91 is: 45,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814.94 : 112,263.72 = 30,472.91 : x
  2. Step 2: Convert to fraction form
    74,814.94/112,263.72 = 30,472.91/x
  3. Step 3: Cross multiply
    74,814.94x = 112,263.72 × 30,472.91
  4. Step 4: Simplify right side
    74,814.94x = 3,421,002,235.83
  5. Step 5: Solve for x
    x = 3,421,002,235.83/74,814.94
  6. Step 6: Final answer
    x = 45,726.19

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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.