Home / 85,002.66-127,387.35-53,782.02

Finding the Fourth Proportional to 85,002.66, 127,387.35 and 53,782.02

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Solution

The fourth proportional to 85,002.66, 127,387.35 and 53,782.02 is: 80,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002.66 : 127,387.35 = 53,782.02 : x
  2. Step 2: Convert to fraction form
    85,002.66/127,387.35 = 53,782.02/x
  3. Step 3: Cross multiply
    85,002.66x = 127,387.35 × 53,782.02
  4. Step 4: Simplify right side
    85,002.66x = 6,851,149,005.45
  5. Step 5: Solve for x
    x = 6,851,149,005.45/85,002.66
  6. Step 6: Final answer
    x = 80,599.23

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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.