Home / 61,378.17-84,749.54-47,926.10

Finding the Fourth Proportional to 61,378.17, 84,749.54 and 47,926.10

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Solution

The fourth proportional to 61,378.17, 84,749.54 and 47,926.10 is: 66,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.17 : 84,749.54 = 47,926.10 : x
  2. Step 2: Convert to fraction form
    61,378.17/84,749.54 = 47,926.10/x
  3. Step 3: Cross multiply
    61,378.17x = 84,749.54 × 47,926.10
  4. Step 4: Simplify right side
    61,378.17x = 4,061,714,265.62
  5. Step 5: Solve for x
    x = 4,061,714,265.62/61,378.17
  6. Step 6: Final answer
    x = 66,175.23

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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.