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Finding the Fourth Proportional to 70,924.85, 97,876.29 and 39,094.44

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Solution

The fourth proportional to 70,924.85, 97,876.29 and 39,094.44 is: 53,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.85 : 97,876.29 = 39,094.44 : x
  2. Step 2: Convert to fraction form
    70,924.85/97,876.29 = 39,094.44/x
  3. Step 3: Cross multiply
    70,924.85x = 97,876.29 × 39,094.44
  4. Step 4: Simplify right side
    70,924.85x = 3,826,418,526.40
  5. Step 5: Solve for x
    x = 3,826,418,526.40/70,924.85
  6. Step 6: Final answer
    x = 53,950.32

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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.