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Finding the Fourth Proportional to 65,348.33, 90,180.68 and 37,053.95

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Solution

The fourth proportional to 65,348.33, 90,180.68 and 37,053.95 is: 51,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.33 : 90,180.68 = 37,053.95 : x
  2. Step 2: Convert to fraction form
    65,348.33/90,180.68 = 37,053.95/x
  3. Step 3: Cross multiply
    65,348.33x = 90,180.68 × 37,053.95
  4. Step 4: Simplify right side
    65,348.33x = 3,341,549,771.51
  5. Step 5: Solve for x
    x = 3,341,549,771.51/65,348.33
  6. Step 6: Final answer
    x = 51,134.44

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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.