Home / 61,513.12-84,888.11-33,218.80

Finding the Fourth Proportional to 61,513.12, 84,888.11 and 33,218.80

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Solution

The fourth proportional to 61,513.12, 84,888.11 and 33,218.80 is: 45,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.12 : 84,888.11 = 33,218.80 : x
  2. Step 2: Convert to fraction form
    61,513.12/84,888.11 = 33,218.80/x
  3. Step 3: Cross multiply
    61,513.12x = 84,888.11 × 33,218.80
  4. Step 4: Simplify right side
    61,513.12x = 2,819,881,148.47
  5. Step 5: Solve for x
    x = 2,819,881,148.47/61,513.12
  6. Step 6: Final answer
    x = 45,841.95

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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.