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Finding the Fourth Proportional to 70,808.10, 97,707.16 and 41,734.57

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Solution

The fourth proportional to 70,808.10, 97,707.16 and 41,734.57 is: 57,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,808.10 : 97,707.16 = 41,734.57 : x
  2. Step 2: Convert to fraction form
    70,808.10/97,707.16 = 41,734.57/x
  3. Step 3: Cross multiply
    70,808.10x = 97,707.16 × 41,734.57
  4. Step 4: Simplify right side
    70,808.10x = 4,077,766,308.52
  5. Step 5: Solve for x
    x = 4,077,766,308.52/70,808.10
  6. Step 6: Final answer
    x = 57,588.98

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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.