Home / 60,921.12-91,381.68-16,547.88

Finding the Fourth Proportional to 60,921.12, 91,381.68 and 16,547.88

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Solution

The fourth proportional to 60,921.12, 91,381.68 and 16,547.88 is: 24,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.12 : 91,381.68 = 16,547.88 : x
  2. Step 2: Convert to fraction form
    60,921.12/91,381.68 = 16,547.88/x
  3. Step 3: Cross multiply
    60,921.12x = 91,381.68 × 16,547.88
  4. Step 4: Simplify right side
    60,921.12x = 1,512,173,074.84
  5. Step 5: Solve for x
    x = 1,512,173,074.84/60,921.12
  6. Step 6: Final answer
    x = 24,821.82

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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.