Home / 86,330.16-129,412.20-44,230.14

Finding the Fourth Proportional to 86,330.16, 129,412.20 and 44,230.14

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Solution

The fourth proportional to 86,330.16, 129,412.20 and 44,230.14 is: 66,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330.16 : 129,412.20 = 44,230.14 : x
  2. Step 2: Convert to fraction form
    86,330.16/129,412.20 = 44,230.14/x
  3. Step 3: Cross multiply
    86,330.16x = 129,412.20 × 44,230.14
  4. Step 4: Simplify right side
    86,330.16x = 5,723,919,723.71
  5. Step 5: Solve for x
    x = 5,723,919,723.71/86,330.16
  6. Step 6: Final answer
    x = 66,302.67

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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.