Home / 61,743.19-85,197.45-39,042.13

Finding the Fourth Proportional to 61,743.19, 85,197.45 and 39,042.13

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Solution

The fourth proportional to 61,743.19, 85,197.45 and 39,042.13 is: 53,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,743.19 : 85,197.45 = 39,042.13 : x
  2. Step 2: Convert to fraction form
    61,743.19/85,197.45 = 39,042.13/x
  3. Step 3: Cross multiply
    61,743.19x = 85,197.45 × 39,042.13
  4. Step 4: Simplify right side
    61,743.19x = 3,326,289,918.57
  5. Step 5: Solve for x
    x = 3,326,289,918.57/61,743.19
  6. Step 6: Final answer
    x = 53,872.98

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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.