Home / 65,938-98,919.40-26,498.24

Finding the Fourth Proportional to 65,938, 98,919.40 and 26,498.24

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Solution

The fourth proportional to 65,938, 98,919.40 and 26,498.24 is: 39,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,938 : 98,919.40 = 26,498.24 : x
  2. Step 2: Convert to fraction form
    65,938/98,919.40 = 26,498.24/x
  3. Step 3: Cross multiply
    65,938x = 98,919.40 × 26,498.24
  4. Step 4: Simplify right side
    65,938x = 2,621,190,001.86
  5. Step 5: Solve for x
    x = 2,621,190,001.86/65,938
  6. Step 6: Final answer
    x = 39,752.34

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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.