Home / 47,680.72-65,799.78-26,460.40

Finding the Fourth Proportional to 47,680.72, 65,799.78 and 26,460.40

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Solution

The fourth proportional to 47,680.72, 65,799.78 and 26,460.40 is: 36,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.72 : 65,799.78 = 26,460.40 : x
  2. Step 2: Convert to fraction form
    47,680.72/65,799.78 = 26,460.40/x
  3. Step 3: Cross multiply
    47,680.72x = 65,799.78 × 26,460.40
  4. Step 4: Simplify right side
    47,680.72x = 1,741,088,498.71
  5. Step 5: Solve for x
    x = 1,741,088,498.71/47,680.72
  6. Step 6: Final answer
    x = 36,515.57

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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.