Home / 47,291.16-65,355.84-38,780.04

Finding the Fourth Proportional to 47,291.16, 65,355.84 and 38,780.04

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Solution

The fourth proportional to 47,291.16, 65,355.84 and 38,780.04 is: 53,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.16 : 65,355.84 = 38,780.04 : x
  2. Step 2: Convert to fraction form
    47,291.16/65,355.84 = 38,780.04/x
  3. Step 3: Cross multiply
    47,291.16x = 65,355.84 × 38,780.04
  4. Step 4: Simplify right side
    47,291.16x = 2,534,502,089.43
  5. Step 5: Solve for x
    x = 2,534,502,089.43/47,291.16
  6. Step 6: Final answer
    x = 53,593.57

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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.