Home / 74,031.40-110,828.94-47,657.80

Finding the Fourth Proportional to 74,031.40, 110,828.94 and 47,657.80

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Solution

The fourth proportional to 74,031.40, 110,828.94 and 47,657.80 is: 71,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,031.40 : 110,828.94 = 47,657.80 : x
  2. Step 2: Convert to fraction form
    74,031.40/110,828.94 = 47,657.80/x
  3. Step 3: Cross multiply
    74,031.40x = 110,828.94 × 47,657.80
  4. Step 4: Simplify right side
    74,031.40x = 5,281,863,456.73
  5. Step 5: Solve for x
    x = 5,281,863,456.73/74,031.40
  6. Step 6: Final answer
    x = 71,346.26

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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.