Home / 99,932.46-137,893.52-64,170.92

Finding the Fourth Proportional to 99,932.46, 137,893.52 and 64,170.92

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Solution

The fourth proportional to 99,932.46, 137,893.52 and 64,170.92 is: 88,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,932.46 : 137,893.52 = 64,170.92 : x
  2. Step 2: Convert to fraction form
    99,932.46/137,893.52 = 64,170.92/x
  3. Step 3: Cross multiply
    99,932.46x = 137,893.52 × 64,170.92
  4. Step 4: Simplify right side
    99,932.46x = 8,848,753,030.12
  5. Step 5: Solve for x
    x = 8,848,753,030.12/99,932.46
  6. Step 6: Final answer
    x = 88,547.34

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1.5x scale

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.