Home / 95,038.14-142,515.69-45,132.54

Finding the Fourth Proportional to 95,038.14, 142,515.69 and 45,132.54

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Solution

The fourth proportional to 95,038.14, 142,515.69 and 45,132.54 is: 67,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,038.14 : 142,515.69 = 45,132.54 : x
  2. Step 2: Convert to fraction form
    95,038.14/142,515.69 = 45,132.54/x
  3. Step 3: Cross multiply
    95,038.14x = 142,515.69 × 45,132.54
  4. Step 4: Simplify right side
    95,038.14x = 6,432,095,079.55
  5. Step 5: Solve for x
    x = 6,432,095,079.55/95,038.14
  6. Step 6: Final answer
    x = 67,679.09

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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.