Home / 110,943.12-152,746.92-89,792.40

Finding the Fourth Proportional to 110,943.12, 152,746.92 and 89,792.40

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Solution

The fourth proportional to 110,943.12, 152,746.92 and 89,792.40 is: 123,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,943.12 : 152,746.92 = 89,792.40 : x
  2. Step 2: Convert to fraction form
    110,943.12/152,746.92 = 89,792.40/x
  3. Step 3: Cross multiply
    110,943.12x = 152,746.92 × 89,792.40
  4. Step 4: Simplify right side
    110,943.12x = 13,715,512,539.41
  5. Step 5: Solve for x
    x = 13,715,512,539.41/110,943.12
  6. Step 6: Final answer
    x = 123,626.53

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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.