Home / 86,632.98-129,850.38-39,284.16

Finding the Fourth Proportional to 86,632.98, 129,850.38 and 39,284.16

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Solution

The fourth proportional to 86,632.98, 129,850.38 and 39,284.16 is: 58,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,632.98 : 129,850.38 = 39,284.16 : x
  2. Step 2: Convert to fraction form
    86,632.98/129,850.38 = 39,284.16/x
  3. Step 3: Cross multiply
    86,632.98x = 129,850.38 × 39,284.16
  4. Step 4: Simplify right side
    86,632.98x = 5,101,063,103.98
  5. Step 5: Solve for x
    x = 5,101,063,103.98/86,632.98
  6. Step 6: Final answer
    x = 58,881.31

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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.