Home / 86,716.19-130,074.32-24,386.69

Finding the Fourth Proportional to 86,716.19, 130,074.32 and 24,386.69

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Solution

The fourth proportional to 86,716.19, 130,074.32 and 24,386.69 is: 36,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.19 : 130,074.32 = 24,386.69 : x
  2. Step 2: Convert to fraction form
    86,716.19/130,074.32 = 24,386.69/x
  3. Step 3: Cross multiply
    86,716.19x = 130,074.32 × 24,386.69
  4. Step 4: Simplify right side
    86,716.19x = 3,172,082,118.80
  5. Step 5: Solve for x
    x = 3,172,082,118.80/86,716.19
  6. Step 6: Final answer
    x = 36,580.04

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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.