Home / 107,117.64-147,822.12-59,371.20

Finding the Fourth Proportional to 107,117.64, 147,822.12 and 59,371.20

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Solution

The fourth proportional to 107,117.64, 147,822.12 and 59,371.20 is: 81,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,117.64 : 147,822.12 = 59,371.20 : x
  2. Step 2: Convert to fraction form
    107,117.64/147,822.12 = 59,371.20/x
  3. Step 3: Cross multiply
    107,117.64x = 147,822.12 × 59,371.20
  4. Step 4: Simplify right side
    107,117.64x = 8,776,376,650.94
  5. Step 5: Solve for x
    x = 8,776,376,650.94/107,117.64
  6. Step 6: Final answer
    x = 81,932.13

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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.