Home / 77,351.71-106,725.45-45,514.66

Finding the Fourth Proportional to 77,351.71, 106,725.45 and 45,514.66

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Solution

The fourth proportional to 77,351.71, 106,725.45 and 45,514.66 is: 62,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,351.71 : 106,725.45 = 45,514.66 : x
  2. Step 2: Convert to fraction form
    77,351.71/106,725.45 = 45,514.66/x
  3. Step 3: Cross multiply
    77,351.71x = 106,725.45 × 45,514.66
  4. Step 4: Simplify right side
    77,351.71x = 4,857,572,570.10
  5. Step 5: Solve for x
    x = 4,857,572,570.10/77,351.71
  6. Step 6: Final answer
    x = 62,798.52

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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.