Home / 85,754.30-118,301.42-55,549.66

Finding the Fourth Proportional to 85,754.30, 118,301.42 and 55,549.66

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Solution

The fourth proportional to 85,754.30, 118,301.42 and 55,549.66 is: 76,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,754.30 : 118,301.42 = 55,549.66 : x
  2. Step 2: Convert to fraction form
    85,754.30/118,301.42 = 55,549.66/x
  3. Step 3: Cross multiply
    85,754.30x = 118,301.42 × 55,549.66
  4. Step 4: Simplify right side
    85,754.30x = 6,571,603,658.52
  5. Step 5: Solve for x
    x = 6,571,603,658.52/85,754.30
  6. Step 6: Final answer
    x = 76,632.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.