Home / 79,746.48-110,046.09-43,935.78

Finding the Fourth Proportional to 79,746.48, 110,046.09 and 43,935.78

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Solution

The fourth proportional to 79,746.48, 110,046.09 and 43,935.78 is: 60,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.48 : 110,046.09 = 43,935.78 : x
  2. Step 2: Convert to fraction form
    79,746.48/110,046.09 = 43,935.78/x
  3. Step 3: Cross multiply
    79,746.48x = 110,046.09 × 43,935.78
  4. Step 4: Simplify right side
    79,746.48x = 4,834,960,800.10
  5. Step 5: Solve for x
    x = 4,834,960,800.10/79,746.48
  6. Step 6: Final answer
    x = 60,629.14

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1.5x scale

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.