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Finding the Fourth Proportional to 70,957.23, 106,378.13 and 26,559.11

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Solution

The fourth proportional to 70,957.23, 106,378.13 and 26,559.11 is: 39,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957.23 : 106,378.13 = 26,559.11 : x
  2. Step 2: Convert to fraction form
    70,957.23/106,378.13 = 26,559.11/x
  3. Step 3: Cross multiply
    70,957.23x = 106,378.13 × 26,559.11
  4. Step 4: Simplify right side
    70,957.23x = 2,825,307,791.58
  5. Step 5: Solve for x
    x = 2,825,307,791.58/70,957.23
  6. Step 6: Final answer
    x = 39,817.05

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1.5x scale

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.