Home / 40,079.02-55,271.21-29,892.53

Finding the Fourth Proportional to 40,079.02, 55,271.21 and 29,892.53

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Solution

The fourth proportional to 40,079.02, 55,271.21 and 29,892.53 is: 41,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.02 : 55,271.21 = 29,892.53 : x
  2. Step 2: Convert to fraction form
    40,079.02/55,271.21 = 29,892.53/x
  3. Step 3: Cross multiply
    40,079.02x = 55,271.21 × 29,892.53
  4. Step 4: Simplify right side
    40,079.02x = 1,652,196,149.02
  5. Step 5: Solve for x
    x = 1,652,196,149.02/40,079.02
  6. Step 6: Final answer
    x = 41,223.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.