Home / 47,618.82-65,720.65-29,475.36

Finding the Fourth Proportional to 47,618.82, 65,720.65 and 29,475.36

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Solution

The fourth proportional to 47,618.82, 65,720.65 and 29,475.36 is: 40,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618.82 : 65,720.65 = 29,475.36 : x
  2. Step 2: Convert to fraction form
    47,618.82/65,720.65 = 29,475.36/x
  3. Step 3: Cross multiply
    47,618.82x = 65,720.65 × 29,475.36
  4. Step 4: Simplify right side
    47,618.82x = 1,937,139,799.76
  5. Step 5: Solve for x
    x = 1,937,139,799.76/47,618.82
  6. Step 6: Final answer
    x = 40,680.13

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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.