Home / 84,526.74-126,854.33-31,269.11

Finding the Fourth Proportional to 84,526.74, 126,854.33 and 31,269.11

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Solution

The fourth proportional to 84,526.74, 126,854.33 and 31,269.11 is: 46,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,526.74 : 126,854.33 = 31,269.11 : x
  2. Step 2: Convert to fraction form
    84,526.74/126,854.33 = 31,269.11/x
  3. Step 3: Cross multiply
    84,526.74x = 126,854.33 × 31,269.11
  4. Step 4: Simplify right side
    84,526.74x = 3,966,621,208.13
  5. Step 5: Solve for x
    x = 3,966,621,208.13/84,526.74
  6. Step 6: Final answer
    x = 46,927.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.