Home / 72,256.26-99,747.11-42,030.57

Finding the Fourth Proportional to 72,256.26, 99,747.11 and 42,030.57

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Solution

The fourth proportional to 72,256.26, 99,747.11 and 42,030.57 is: 58,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256.26 : 99,747.11 = 42,030.57 : x
  2. Step 2: Convert to fraction form
    72,256.26/99,747.11 = 42,030.57/x
  3. Step 3: Cross multiply
    72,256.26x = 99,747.11 × 42,030.57
  4. Step 4: Simplify right side
    72,256.26x = 4,192,427,679.00
  5. Step 5: Solve for x
    x = 4,192,427,679.00/72,256.26
  6. Step 6: Final answer
    x = 58,021.65

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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.