Home / 99,854.49-137,800.28-54,533.80

Finding the Fourth Proportional to 99,854.49, 137,800.28 and 54,533.80

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Solution

The fourth proportional to 99,854.49, 137,800.28 and 54,533.80 is: 75,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.49 : 137,800.28 = 54,533.80 : x
  2. Step 2: Convert to fraction form
    99,854.49/137,800.28 = 54,533.80/x
  3. Step 3: Cross multiply
    99,854.49x = 137,800.28 × 54,533.80
  4. Step 4: Simplify right side
    99,854.49x = 7,514,772,909.46
  5. Step 5: Solve for x
    x = 7,514,772,909.46/99,854.49
  6. Step 6: Final answer
    x = 75,257.24

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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.