Home / 99,757.02-149,547.92-40,642.41

Finding the Fourth Proportional to 99,757.02, 149,547.92 and 40,642.41

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Solution

The fourth proportional to 99,757.02, 149,547.92 and 40,642.41 is: 60,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757.02 : 149,547.92 = 40,642.41 : x
  2. Step 2: Convert to fraction form
    99,757.02/149,547.92 = 40,642.41/x
  3. Step 3: Cross multiply
    99,757.02x = 149,547.92 × 40,642.41
  4. Step 4: Simplify right side
    99,757.02x = 6,077,987,676.08
  5. Step 5: Solve for x
    x = 6,077,987,676.08/99,757.02
  6. Step 6: Final answer
    x = 60,927.92

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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.