Home / 61,549.20-84,936.60-36,070.65

Finding the Fourth Proportional to 61,549.20, 84,936.60 and 36,070.65

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Solution

The fourth proportional to 61,549.20, 84,936.60 and 36,070.65 is: 49,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.20 : 84,936.60 = 36,070.65 : x
  2. Step 2: Convert to fraction form
    61,549.20/84,936.60 = 36,070.65/x
  3. Step 3: Cross multiply
    61,549.20x = 84,936.60 × 36,070.65
  4. Step 4: Simplify right side
    61,549.20x = 3,063,718,370.79
  5. Step 5: Solve for x
    x = 3,063,718,370.79/61,549.20
  6. Step 6: Final answer
    x = 49,776.74

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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.