Home / 109,617.38-151,272.49-59,316.38

Finding the Fourth Proportional to 109,617.38, 151,272.49 and 59,316.38

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Solution

The fourth proportional to 109,617.38, 151,272.49 and 59,316.38 is: 81,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,617.38 : 151,272.49 = 59,316.38 : x
  2. Step 2: Convert to fraction form
    109,617.38/151,272.49 = 59,316.38/x
  3. Step 3: Cross multiply
    109,617.38x = 151,272.49 × 59,316.38
  4. Step 4: Simplify right side
    109,617.38x = 8,972,935,681.94
  5. Step 5: Solve for x
    x = 8,972,935,681.94/109,617.38
  6. Step 6: Final answer
    x = 81,856.87

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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.