Home / 74,203.11-111,309.81-29,829.88

Finding the Fourth Proportional to 74,203.11, 111,309.81 and 29,829.88

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Solution

The fourth proportional to 74,203.11, 111,309.81 and 29,829.88 is: 44,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.11 : 111,309.81 = 29,829.88 : x
  2. Step 2: Convert to fraction form
    74,203.11/111,309.81 = 29,829.88/x
  3. Step 3: Cross multiply
    74,203.11x = 111,309.81 × 29,829.88
  4. Step 4: Simplify right side
    74,203.11x = 3,320,358,275.12
  5. Step 5: Solve for x
    x = 3,320,358,275.12/74,203.11
  6. Step 6: Final answer
    x = 44,746.89

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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.