Home / 86,720.32-130,065.36-24,376

Finding the Fourth Proportional to 86,720.32, 130,065.36 and 24,376

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Solution

The fourth proportional to 86,720.32, 130,065.36 and 24,376 is: 36,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720.32 : 130,065.36 = 24,376 : x
  2. Step 2: Convert to fraction form
    86,720.32/130,065.36 = 24,376/x
  3. Step 3: Cross multiply
    86,720.32x = 130,065.36 × 24,376
  4. Step 4: Simplify right side
    86,720.32x = 3,170,473,215.36
  5. Step 5: Solve for x
    x = 3,170,473,215.36/86,720.32
  6. Step 6: Final answer
    x = 36,559.75

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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.