Home / 99,746.48-137,525.64-63,877.52

Finding the Fourth Proportional to 99,746.48, 137,525.64 and 63,877.52

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Solution

The fourth proportional to 99,746.48, 137,525.64 and 63,877.52 is: 88,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.48 : 137,525.64 = 63,877.52 : x
  2. Step 2: Convert to fraction form
    99,746.48/137,525.64 = 63,877.52/x
  3. Step 3: Cross multiply
    99,746.48x = 137,525.64 × 63,877.52
  4. Step 4: Simplify right side
    99,746.48x = 8,784,796,819.61
  5. Step 5: Solve for x
    x = 8,784,796,819.61/99,746.48
  6. Step 6: Final answer
    x = 88,071.25

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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.