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Finding the Fourth Proportional to 65,937.60, 90,903.51 and 41,726.52

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Solution

The fourth proportional to 65,937.60, 90,903.51 and 41,726.52 is: 57,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.60 : 90,903.51 = 41,726.52 : x
  2. Step 2: Convert to fraction form
    65,937.60/90,903.51 = 41,726.52/x
  3. Step 3: Cross multiply
    65,937.60x = 90,903.51 × 41,726.52
  4. Step 4: Simplify right side
    65,937.60x = 3,793,087,128.09
  5. Step 5: Solve for x
    x = 3,793,087,128.09/65,937.60
  6. Step 6: Final answer
    x = 57,525.40

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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.