Home / 106,872.68-147,488.64-59,125.25

Finding the Fourth Proportional to 106,872.68, 147,488.64 and 59,125.25

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Solution

The fourth proportional to 106,872.68, 147,488.64 and 59,125.25 is: 81,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,872.68 : 147,488.64 = 59,125.25 : x
  2. Step 2: Convert to fraction form
    106,872.68/147,488.64 = 59,125.25/x
  3. Step 3: Cross multiply
    106,872.68x = 147,488.64 × 59,125.25
  4. Step 4: Simplify right side
    106,872.68x = 8,720,302,712.16
  5. Step 5: Solve for x
    x = 8,720,302,712.16/106,872.68
  6. Step 6: Final answer
    x = 81,595.25

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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.