Home / 99,925.86-137,832.39-64,059.06

Finding the Fourth Proportional to 99,925.86, 137,832.39 and 64,059.06

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Solution

The fourth proportional to 99,925.86, 137,832.39 and 64,059.06 is: 88,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,925.86 : 137,832.39 = 64,059.06 : x
  2. Step 2: Convert to fraction form
    99,925.86/137,832.39 = 64,059.06/x
  3. Step 3: Cross multiply
    99,925.86x = 137,832.39 × 64,059.06
  4. Step 4: Simplify right side
    99,925.86x = 8,829,413,340.95
  5. Step 5: Solve for x
    x = 8,829,413,340.95/99,925.86
  6. Step 6: Final answer
    x = 88,359.64

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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.