Home / 71,326.51-98,432.13-39,062.50

Finding the Fourth Proportional to 71,326.51, 98,432.13 and 39,062.50

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Solution

The fourth proportional to 71,326.51, 98,432.13 and 39,062.50 is: 53,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.51 : 98,432.13 = 39,062.50 : x
  2. Step 2: Convert to fraction form
    71,326.51/98,432.13 = 39,062.50/x
  3. Step 3: Cross multiply
    71,326.51x = 98,432.13 × 39,062.50
  4. Step 4: Simplify right side
    71,326.51x = 3,845,005,078.13
  5. Step 5: Solve for x
    x = 3,845,005,078.13/71,326.51
  6. Step 6: Final answer
    x = 53,907.10

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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.