Home / 106,248.08-159,399.88-39,688.76

Finding the Fourth Proportional to 106,248.08, 159,399.88 and 39,688.76

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Solution

The fourth proportional to 106,248.08, 159,399.88 and 39,688.76 is: 59,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,248.08 : 159,399.88 = 39,688.76 : x
  2. Step 2: Convert to fraction form
    106,248.08/159,399.88 = 39,688.76/x
  3. Step 3: Cross multiply
    106,248.08x = 159,399.88 × 39,688.76
  4. Step 4: Simplify right side
    106,248.08x = 6,326,383,581.35
  5. Step 5: Solve for x
    x = 6,326,383,581.35/106,248.08
  6. Step 6: Final answer
    x = 59,543.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.