Home / 90,488.52-124,868.52-54,657.36

Finding the Fourth Proportional to 90,488.52, 124,868.52 and 54,657.36

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Solution

The fourth proportional to 90,488.52, 124,868.52 and 54,657.36 is: 75,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488.52 : 124,868.52 = 54,657.36 : x
  2. Step 2: Convert to fraction form
    90,488.52/124,868.52 = 54,657.36/x
  3. Step 3: Cross multiply
    90,488.52x = 124,868.52 × 54,657.36
  4. Step 4: Simplify right side
    90,488.52x = 6,824,983,650.31
  5. Step 5: Solve for x
    x = 6,824,983,650.31/90,488.52
  6. Step 6: Final answer
    x = 75,423.75

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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.