Home / 70,083.20-105,140.56-23,337.92

Finding the Fourth Proportional to 70,083.20, 105,140.56 and 23,337.92

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Solution

The fourth proportional to 70,083.20, 105,140.56 and 23,337.92 is: 35,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,083.20 : 105,140.56 = 23,337.92 : x
  2. Step 2: Convert to fraction form
    70,083.20/105,140.56 = 23,337.92/x
  3. Step 3: Cross multiply
    70,083.20x = 105,140.56 × 23,337.92
  4. Step 4: Simplify right side
    70,083.20x = 2,453,761,978.04
  5. Step 5: Solve for x
    x = 2,453,761,978.04/70,083.20
  6. Step 6: Final answer
    x = 35,012.13

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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.