Home / 85,089.36-127,691.46-64,044.95

Finding the Fourth Proportional to 85,089.36, 127,691.46 and 64,044.95

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Solution

The fourth proportional to 85,089.36, 127,691.46 and 64,044.95 is: 96,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,089.36 : 127,691.46 = 64,044.95 : x
  2. Step 2: Convert to fraction form
    85,089.36/127,691.46 = 64,044.95/x
  3. Step 3: Cross multiply
    85,089.36x = 127,691.46 × 64,044.95
  4. Step 4: Simplify right side
    85,089.36x = 8,177,993,490.36
  5. Step 5: Solve for x
    x = 8,177,993,490.36/85,089.36
  6. Step 6: Final answer
    x = 96,110.65

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1.5x scale

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.