Home / 86,947.32-130,421.46-24,617.88

Finding the Fourth Proportional to 86,947.32, 130,421.46 and 24,617.88

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Solution

The fourth proportional to 86,947.32, 130,421.46 and 24,617.88 is: 36,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.32 : 130,421.46 = 24,617.88 : x
  2. Step 2: Convert to fraction form
    86,947.32/130,421.46 = 24,617.88/x
  3. Step 3: Cross multiply
    86,947.32x = 130,421.46 × 24,617.88
  4. Step 4: Simplify right side
    86,947.32x = 3,210,699,851.70
  5. Step 5: Solve for x
    x = 3,210,699,851.70/86,947.32
  6. Step 6: Final answer
    x = 36,926.96

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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.