Home / 85,748.10-118,332.27-48,022.62

Finding the Fourth Proportional to 85,748.10, 118,332.27 and 48,022.62

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Solution

The fourth proportional to 85,748.10, 118,332.27 and 48,022.62 is: 66,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,748.10 : 118,332.27 = 48,022.62 : x
  2. Step 2: Convert to fraction form
    85,748.10/118,332.27 = 48,022.62/x
  3. Step 3: Cross multiply
    85,748.10x = 118,332.27 × 48,022.62
  4. Step 4: Simplify right side
    85,748.10x = 5,682,625,635.95
  5. Step 5: Solve for x
    x = 5,682,625,635.95/85,748.10
  6. Step 6: Final answer
    x = 66,271.16

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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.