Home / 70,516.83-105,822.45-26,143.95

Finding the Fourth Proportional to 70,516.83, 105,822.45 and 26,143.95

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Solution

The fourth proportional to 70,516.83, 105,822.45 and 26,143.95 is: 39,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.83 : 105,822.45 = 26,143.95 : x
  2. Step 2: Convert to fraction form
    70,516.83/105,822.45 = 26,143.95/x
  3. Step 3: Cross multiply
    70,516.83x = 105,822.45 × 26,143.95
  4. Step 4: Simplify right side
    70,516.83x = 2,766,616,841.68
  5. Step 5: Solve for x
    x = 2,766,616,841.68/70,516.83
  6. Step 6: Final answer
    x = 39,233.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.