Home / 85,360.06-127,829.49-63,669.70

Finding the Fourth Proportional to 85,360.06, 127,829.49 and 63,669.70

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Solution

The fourth proportional to 85,360.06, 127,829.49 and 63,669.70 is: 95,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360.06 : 127,829.49 = 63,669.70 : x
  2. Step 2: Convert to fraction form
    85,360.06/127,829.49 = 63,669.70/x
  3. Step 3: Cross multiply
    85,360.06x = 127,829.49 × 63,669.70
  4. Step 4: Simplify right side
    85,360.06x = 8,138,865,279.45
  5. Step 5: Solve for x
    x = 8,138,865,279.45/85,360.06
  6. Step 6: Final answer
    x = 95,347.46

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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.