Home / 105,545.45-158,372.85-60,602.60

Finding the Fourth Proportional to 105,545.45, 158,372.85 and 60,602.60

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Solution

The fourth proportional to 105,545.45, 158,372.85 and 60,602.60 is: 90,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,545.45 : 158,372.85 = 60,602.60 : x
  2. Step 2: Convert to fraction form
    105,545.45/158,372.85 = 60,602.60/x
  3. Step 3: Cross multiply
    105,545.45x = 158,372.85 × 60,602.60
  4. Step 4: Simplify right side
    105,545.45x = 9,597,805,687.55
  5. Step 5: Solve for x
    x = 9,597,805,687.55/105,545.45
  6. Step 6: Final answer
    x = 90,935.29

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1.5x scale

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.