Home / 77,179.17-106,473.45-45,333.72

Finding the Fourth Proportional to 77,179.17, 106,473.45 and 45,333.72

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Solution

The fourth proportional to 77,179.17, 106,473.45 and 45,333.72 is: 62,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179.17 : 106,473.45 = 45,333.72 : x
  2. Step 2: Convert to fraction form
    77,179.17/106,473.45 = 45,333.72/x
  3. Step 3: Cross multiply
    77,179.17x = 106,473.45 × 45,333.72
  4. Step 4: Simplify right side
    77,179.17x = 4,826,837,739.74
  5. Step 5: Solve for x
    x = 4,826,837,739.74/77,179.17
  6. Step 6: Final answer
    x = 62,540.68

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1.5x scale

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.