Home / 72,281.13-99,758.45-41,648.26

Finding the Fourth Proportional to 72,281.13, 99,758.45 and 41,648.26

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Solution

The fourth proportional to 72,281.13, 99,758.45 and 41,648.26 is: 57,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,281.13 : 99,758.45 = 41,648.26 : x
  2. Step 2: Convert to fraction form
    72,281.13/99,758.45 = 41,648.26/x
  3. Step 3: Cross multiply
    72,281.13x = 99,758.45 × 41,648.26
  4. Step 4: Simplify right side
    72,281.13x = 4,154,765,862.80
  5. Step 5: Solve for x
    x = 4,154,765,862.80/72,281.13
  6. Step 6: Final answer
    x = 57,480.64

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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.