Home / 107,290.32-161,020.52-56,725.24

Finding the Fourth Proportional to 107,290.32, 161,020.52 and 56,725.24

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Solution

The fourth proportional to 107,290.32, 161,020.52 and 56,725.24 is: 85,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,290.32 : 161,020.52 = 56,725.24 : x
  2. Step 2: Convert to fraction form
    107,290.32/161,020.52 = 56,725.24/x
  3. Step 3: Cross multiply
    107,290.32x = 161,020.52 × 56,725.24
  4. Step 4: Simplify right side
    107,290.32x = 9,133,927,641.92
  5. Step 5: Solve for x
    x = 9,133,927,641.92/107,290.32
  6. Step 6: Final answer
    x = 85,132.82

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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.