Home / 85,176.77-127,756.04-26,053.65

Finding the Fourth Proportional to 85,176.77, 127,756.04 and 26,053.65

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Solution

The fourth proportional to 85,176.77, 127,756.04 and 26,053.65 is: 39,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176.77 : 127,756.04 = 26,053.65 : x
  2. Step 2: Convert to fraction form
    85,176.77/127,756.04 = 26,053.65/x
  3. Step 3: Cross multiply
    85,176.77x = 127,756.04 × 26,053.65
  4. Step 4: Simplify right side
    85,176.77x = 3,328,511,021.28
  5. Step 5: Solve for x
    x = 3,328,511,021.28/85,176.77
  6. Step 6: Final answer
    x = 39,077.69

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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.