Home / 86,972.04-130,459.28-24,642.54

Finding the Fourth Proportional to 86,972.04, 130,459.28 and 24,642.54

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Solution

The fourth proportional to 86,972.04, 130,459.28 and 24,642.54 is: 36,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.04 : 130,459.28 = 24,642.54 : x
  2. Step 2: Convert to fraction form
    86,972.04/130,459.28 = 24,642.54/x
  3. Step 3: Cross multiply
    86,972.04x = 130,459.28 × 24,642.54
  4. Step 4: Simplify right side
    86,972.04x = 3,214,847,902.56
  5. Step 5: Solve for x
    x = 3,214,847,902.56/86,972.04
  6. Step 6: Final answer
    x = 36,964.15

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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.