Home / 71,326.17-98,435.70-39,498.03

Finding the Fourth Proportional to 71,326.17, 98,435.70 and 39,498.03

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Solution

The fourth proportional to 71,326.17, 98,435.70 and 39,498.03 is: 54,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.17 : 98,435.70 = 39,498.03 : x
  2. Step 2: Convert to fraction form
    71,326.17/98,435.70 = 39,498.03/x
  3. Step 3: Cross multiply
    71,326.17x = 98,435.70 × 39,498.03
  4. Step 4: Simplify right side
    71,326.17x = 3,888,016,231.67
  5. Step 5: Solve for x
    x = 3,888,016,231.67/71,326.17
  6. Step 6: Final answer
    x = 54,510.37

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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.