Home / 85,177.77-127,757.53-26,054.65

Finding the Fourth Proportional to 85,177.77, 127,757.53 and 26,054.65

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Solution

The fourth proportional to 85,177.77, 127,757.53 and 26,054.65 is: 39,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177.77 : 127,757.53 = 26,054.65 : x
  2. Step 2: Convert to fraction form
    85,177.77/127,757.53 = 26,054.65/x
  3. Step 3: Cross multiply
    85,177.77x = 127,757.53 × 26,054.65
  4. Step 4: Simplify right side
    85,177.77x = 3,328,677,729.01
  5. Step 5: Solve for x
    x = 3,328,677,729.01/85,177.77
  6. Step 6: Final answer
    x = 39,079.18

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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.