Home / 61,419.20-84,751.62-34,561.13

Finding the Fourth Proportional to 61,419.20, 84,751.62 and 34,561.13

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Solution

The fourth proportional to 61,419.20, 84,751.62 and 34,561.13 is: 47,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.20 : 84,751.62 = 34,561.13 : x
  2. Step 2: Convert to fraction form
    61,419.20/84,751.62 = 34,561.13/x
  3. Step 3: Cross multiply
    61,419.20x = 84,751.62 × 34,561.13
  4. Step 4: Simplify right side
    61,419.20x = 2,929,111,756.53
  5. Step 5: Solve for x
    x = 2,929,111,756.53/61,419.20
  6. Step 6: Final answer
    x = 47,690.49

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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.