Home / 75,332.81-103,951.71-45,117.36

Finding the Fourth Proportional to 75,332.81, 103,951.71 and 45,117.36

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Solution

The fourth proportional to 75,332.81, 103,951.71 and 45,117.36 is: 62,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.81 : 103,951.71 = 45,117.36 : x
  2. Step 2: Convert to fraction form
    75,332.81/103,951.71 = 45,117.36/x
  3. Step 3: Cross multiply
    75,332.81x = 103,951.71 × 45,117.36
  4. Step 4: Simplify right side
    75,332.81x = 4,690,026,722.69
  5. Step 5: Solve for x
    x = 4,690,026,722.69/75,332.81
  6. Step 6: Final answer
    x = 62,257.42

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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.