Home / 86,173.56-129,190.62-38,753.93

Finding the Fourth Proportional to 86,173.56, 129,190.62 and 38,753.93

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Solution

The fourth proportional to 86,173.56, 129,190.62 and 38,753.93 is: 58,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173.56 : 129,190.62 = 38,753.93 : x
  2. Step 2: Convert to fraction form
    86,173.56/129,190.62 = 38,753.93/x
  3. Step 3: Cross multiply
    86,173.56x = 129,190.62 × 38,753.93
  4. Step 4: Simplify right side
    86,173.56x = 5,006,643,598.18
  5. Step 5: Solve for x
    x = 5,006,643,598.18/86,173.56
  6. Step 6: Final answer
    x = 58,099.53

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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.