Home / 77,149.22-106,475.76-43,159.59

Finding the Fourth Proportional to 77,149.22, 106,475.76 and 43,159.59

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Solution

The fourth proportional to 77,149.22, 106,475.76 and 43,159.59 is: 59,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,149.22 : 106,475.76 = 43,159.59 : x
  2. Step 2: Convert to fraction form
    77,149.22/106,475.76 = 43,159.59/x
  3. Step 3: Cross multiply
    77,149.22x = 106,475.76 × 43,159.59
  4. Step 4: Simplify right side
    77,149.22x = 4,595,450,146.54
  5. Step 5: Solve for x
    x = 4,595,450,146.54/77,149.22
  6. Step 6: Final answer
    x = 59,565.74

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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.