Home / 65,746.27-98,618.80-28,332.78

Finding the Fourth Proportional to 65,746.27, 98,618.80 and 28,332.78

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Solution

The fourth proportional to 65,746.27, 98,618.80 and 28,332.78 is: 42,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746.27 : 98,618.80 = 28,332.78 : x
  2. Step 2: Convert to fraction form
    65,746.27/98,618.80 = 28,332.78/x
  3. Step 3: Cross multiply
    65,746.27x = 98,618.80 × 28,332.78
  4. Step 4: Simplify right side
    65,746.27x = 2,794,144,764.26
  5. Step 5: Solve for x
    x = 2,794,144,764.26/65,746.27
  6. Step 6: Final answer
    x = 42,498.91

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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.