Home / 86,679.38-130,060.33-60,066.34

Finding the Fourth Proportional to 86,679.38, 130,060.33 and 60,066.34

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Solution

The fourth proportional to 86,679.38, 130,060.33 and 60,066.34 is: 90,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,679.38 : 130,060.33 = 60,066.34 : x
  2. Step 2: Convert to fraction form
    86,679.38/130,060.33 = 60,066.34/x
  3. Step 3: Cross multiply
    86,679.38x = 130,060.33 × 60,066.34
  4. Step 4: Simplify right side
    86,679.38x = 7,812,247,526.98
  5. Step 5: Solve for x
    x = 7,812,247,526.98/86,679.38
  6. Step 6: Final answer
    x = 90,128.09

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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.