Home / 77,302.08-106,679.52-45,034.56

Finding the Fourth Proportional to 77,302.08, 106,679.52 and 45,034.56

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Solution

The fourth proportional to 77,302.08, 106,679.52 and 45,034.56 is: 62,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.08 : 106,679.52 = 45,034.56 : x
  2. Step 2: Convert to fraction form
    77,302.08/106,679.52 = 45,034.56/x
  3. Step 3: Cross multiply
    77,302.08x = 106,679.52 × 45,034.56
  4. Step 4: Simplify right side
    77,302.08x = 4,804,265,244.21
  5. Step 5: Solve for x
    x = 4,804,265,244.21/77,302.08
  6. Step 6: Final answer
    x = 62,149.24

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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.