Home / 86,273.26-129,409.90-39,526.14

Finding the Fourth Proportional to 86,273.26, 129,409.90 and 39,526.14

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Solution

The fourth proportional to 86,273.26, 129,409.90 and 39,526.14 is: 59,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273.26 : 129,409.90 = 39,526.14 : x
  2. Step 2: Convert to fraction form
    86,273.26/129,409.90 = 39,526.14/x
  3. Step 3: Cross multiply
    86,273.26x = 129,409.90 × 39,526.14
  4. Step 4: Simplify right side
    86,273.26x = 5,115,073,824.79
  5. Step 5: Solve for x
    x = 5,115,073,824.79/86,273.26
  6. Step 6: Final answer
    x = 59,289.21

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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.