Home / 61,519.17-84,857.45-38,818.52

Finding the Fourth Proportional to 61,519.17, 84,857.45 and 38,818.52

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Solution

The fourth proportional to 61,519.17, 84,857.45 and 38,818.52 is: 53,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.17 : 84,857.45 = 38,818.52 : x
  2. Step 2: Convert to fraction form
    61,519.17/84,857.45 = 38,818.52/x
  3. Step 3: Cross multiply
    61,519.17x = 84,857.45 × 38,818.52
  4. Step 4: Simplify right side
    61,519.17x = 3,294,040,001.59
  5. Step 5: Solve for x
    x = 3,294,040,001.59/61,519.17
  6. Step 6: Final answer
    x = 53,544.94

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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.