Home / 65,876.91-98,820-26,434.05

Finding the Fourth Proportional to 65,876.91, 98,820 and 26,434.05

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Solution

The fourth proportional to 65,876.91, 98,820 and 26,434.05 is: 39,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.91 : 98,820 = 26,434.05 : x
  2. Step 2: Convert to fraction form
    65,876.91/98,820 = 26,434.05/x
  3. Step 3: Cross multiply
    65,876.91x = 98,820 × 26,434.05
  4. Step 4: Simplify right side
    65,876.91x = 2,612,212,821
  5. Step 5: Solve for x
    x = 2,612,212,821/65,876.91
  6. Step 6: Final answer
    x = 39,652.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.