Home / 88,040.47-121,495.13-47,754.13

Finding the Fourth Proportional to 88,040.47, 121,495.13 and 47,754.13

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Solution

The fourth proportional to 88,040.47, 121,495.13 and 47,754.13 is: 65,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.47 : 121,495.13 = 47,754.13 : x
  2. Step 2: Convert to fraction form
    88,040.47/121,495.13 = 47,754.13/x
  3. Step 3: Cross multiply
    88,040.47x = 121,495.13 × 47,754.13
  4. Step 4: Simplify right side
    88,040.47x = 5,801,893,624.91
  5. Step 5: Solve for x
    x = 5,801,893,624.91/88,040.47
  6. Step 6: Final answer
    x = 65,900.31

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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.