Home / 85,242.04-127,899.93-45,753.02

Finding the Fourth Proportional to 85,242.04, 127,899.93 and 45,753.02

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Solution

The fourth proportional to 85,242.04, 127,899.93 and 45,753.02 is: 68,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.04 : 127,899.93 = 45,753.02 : x
  2. Step 2: Convert to fraction form
    85,242.04/127,899.93 = 45,753.02/x
  3. Step 3: Cross multiply
    85,242.04x = 127,899.93 × 45,753.02
  4. Step 4: Simplify right side
    85,242.04x = 5,851,808,546.61
  5. Step 5: Solve for x
    x = 5,851,808,546.61/85,242.04
  6. Step 6: Final answer
    x = 68,649.32

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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.