Home / 85,339.02-127,936.20-35,387.94

Finding the Fourth Proportional to 85,339.02, 127,936.20 and 35,387.94

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Solution

The fourth proportional to 85,339.02, 127,936.20 and 35,387.94 is: 53,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339.02 : 127,936.20 = 35,387.94 : x
  2. Step 2: Convert to fraction form
    85,339.02/127,936.20 = 35,387.94/x
  3. Step 3: Cross multiply
    85,339.02x = 127,936.20 × 35,387.94
  4. Step 4: Simplify right side
    85,339.02x = 4,527,398,569.43
  5. Step 5: Solve for x
    x = 4,527,398,569.43/85,339.02
  6. Step 6: Final answer
    x = 53,051.92

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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.