Home / 71,386.55-98,514.12-39,556.13

Finding the Fourth Proportional to 71,386.55, 98,514.12 and 39,556.13

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Solution

The fourth proportional to 71,386.55, 98,514.12 and 39,556.13 is: 54,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386.55 : 98,514.12 = 39,556.13 : x
  2. Step 2: Convert to fraction form
    71,386.55/98,514.12 = 39,556.13/x
  3. Step 3: Cross multiply
    71,386.55x = 98,514.12 × 39,556.13
  4. Step 4: Simplify right side
    71,386.55x = 3,896,836,844.99
  5. Step 5: Solve for x
    x = 3,896,836,844.99/71,386.55
  6. Step 6: Final answer
    x = 54,587.83

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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.