Home / 95,429.10-142,852.05-74,433.90

Finding the Fourth Proportional to 95,429.10, 142,852.05 and 74,433.90

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Solution

The fourth proportional to 95,429.10, 142,852.05 and 74,433.90 is: 111,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,429.10 : 142,852.05 = 74,433.90 : x
  2. Step 2: Convert to fraction form
    95,429.10/142,852.05 = 74,433.90/x
  3. Step 3: Cross multiply
    95,429.10x = 142,852.05 × 74,433.90
  4. Step 4: Simplify right side
    95,429.10x = 10,633,035,204.50
  5. Step 5: Solve for x
    x = 10,633,035,204.50/95,429.10
  6. Step 6: Final answer
    x = 111,423.40

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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.