Home / 71,041.15-98,036.57-39,209.82

Finding the Fourth Proportional to 71,041.15, 98,036.57 and 39,209.82

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Solution

The fourth proportional to 71,041.15, 98,036.57 and 39,209.82 is: 54,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041.15 : 98,036.57 = 39,209.82 : x
  2. Step 2: Convert to fraction form
    71,041.15/98,036.57 = 39,209.82/x
  3. Step 3: Cross multiply
    71,041.15x = 98,036.57 × 39,209.82
  4. Step 4: Simplify right side
    71,041.15x = 3,843,996,263.12
  5. Step 5: Solve for x
    x = 3,843,996,263.12/71,041.15
  6. Step 6: Final answer
    x = 54,109.43

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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.