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Finding the Fourth Proportional to 62,134.99, 85,746.80 and 34,911.63

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Solution

The fourth proportional to 62,134.99, 85,746.80 and 34,911.63 is: 48,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,134.99 : 85,746.80 = 34,911.63 : x
  2. Step 2: Convert to fraction form
    62,134.99/85,746.80 = 34,911.63/x
  3. Step 3: Cross multiply
    62,134.99x = 85,746.80 × 34,911.63
  4. Step 4: Simplify right side
    62,134.99x = 2,993,560,642.56
  5. Step 5: Solve for x
    x = 2,993,560,642.56/62,134.99
  6. Step 6: Final answer
    x = 48,178.34

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1.5x scale

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.