Home / 99,275.22-148,923.77-29,160

Finding the Fourth Proportional to 99,275.22, 148,923.77 and 29,160

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Solution

The fourth proportional to 99,275.22, 148,923.77 and 29,160 is: 43,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.22 : 148,923.77 = 29,160 : x
  2. Step 2: Convert to fraction form
    99,275.22/148,923.77 = 29,160/x
  3. Step 3: Cross multiply
    99,275.22x = 148,923.77 × 29,160
  4. Step 4: Simplify right side
    99,275.22x = 4,342,616,987.40
  5. Step 5: Solve for x
    x = 4,342,616,987.40/99,275.22
  6. Step 6: Final answer
    x = 43,743.21

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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.