Home / 55,114.19-76,059.50-31,240.65

Finding the Fourth Proportional to 55,114.19, 76,059.50 and 31,240.65

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Solution

The fourth proportional to 55,114.19, 76,059.50 and 31,240.65 is: 43,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,114.19 : 76,059.50 = 31,240.65 : x
  2. Step 2: Convert to fraction form
    55,114.19/76,059.50 = 31,240.65/x
  3. Step 3: Cross multiply
    55,114.19x = 76,059.50 × 31,240.65
  4. Step 4: Simplify right side
    55,114.19x = 2,376,148,218.68
  5. Step 5: Solve for x
    x = 2,376,148,218.68/55,114.19
  6. Step 6: Final answer
    x = 43,113.18

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Double scale
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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.