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Finding the Fourth Proportional to 73,785.01, 101,823.33 and 41,955.86

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Solution

The fourth proportional to 73,785.01, 101,823.33 and 41,955.86 is: 57,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.01 : 101,823.33 = 41,955.86 : x
  2. Step 2: Convert to fraction form
    73,785.01/101,823.33 = 41,955.86/x
  3. Step 3: Cross multiply
    73,785.01x = 101,823.33 × 41,955.86
  4. Step 4: Simplify right side
    73,785.01x = 4,272,085,378.21
  5. Step 5: Solve for x
    x = 4,272,085,378.21/73,785.01
  6. Step 6: Final answer
    x = 57,899.10

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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.