Home / 86,066.10-129,099.24-26,902.08

Finding the Fourth Proportional to 86,066.10, 129,099.24 and 26,902.08

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Solution

The fourth proportional to 86,066.10, 129,099.24 and 26,902.08 is: 40,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066.10 : 129,099.24 = 26,902.08 : x
  2. Step 2: Convert to fraction form
    86,066.10/129,099.24 = 26,902.08/x
  3. Step 3: Cross multiply
    86,066.10x = 129,099.24 × 26,902.08
  4. Step 4: Simplify right side
    86,066.10x = 3,473,038,082.42
  5. Step 5: Solve for x
    x = 3,473,038,082.42/86,066.10
  6. Step 6: Final answer
    x = 40,353.15

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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.