Home / 70,127.23-105,229.13-40,602.73

Finding the Fourth Proportional to 70,127.23, 105,229.13 and 40,602.73

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Solution

The fourth proportional to 70,127.23, 105,229.13 and 40,602.73 is: 60,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127.23 : 105,229.13 = 40,602.73 : x
  2. Step 2: Convert to fraction form
    70,127.23/105,229.13 = 40,602.73/x
  3. Step 3: Cross multiply
    70,127.23x = 105,229.13 × 40,602.73
  4. Step 4: Simplify right side
    70,127.23x = 4,272,589,953.52
  5. Step 5: Solve for x
    x = 4,272,589,953.52/70,127.23
  6. Step 6: Final answer
    x = 60,926.26

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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.