Home / 85,044.06-127,533.24-40,658.94

Finding the Fourth Proportional to 85,044.06, 127,533.24 and 40,658.94

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Solution

The fourth proportional to 85,044.06, 127,533.24 and 40,658.94 is: 60,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,044.06 : 127,533.24 = 40,658.94 : x
  2. Step 2: Convert to fraction form
    85,044.06/127,533.24 = 40,658.94/x
  3. Step 3: Cross multiply
    85,044.06x = 127,533.24 × 40,658.94
  4. Step 4: Simplify right side
    85,044.06x = 5,185,366,353.17
  5. Step 5: Solve for x
    x = 5,185,366,353.17/85,044.06
  6. Step 6: Final answer
    x = 60,972.70

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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.