Home / 70,211.28-105,343.22-36,456.23

Finding the Fourth Proportional to 70,211.28, 105,343.22 and 36,456.23

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Solution

The fourth proportional to 70,211.28, 105,343.22 and 36,456.23 is: 54,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211.28 : 105,343.22 = 36,456.23 : x
  2. Step 2: Convert to fraction form
    70,211.28/105,343.22 = 36,456.23/x
  3. Step 3: Cross multiply
    70,211.28x = 105,343.22 × 36,456.23
  4. Step 4: Simplify right side
    70,211.28x = 3,840,415,948.26
  5. Step 5: Solve for x
    x = 3,840,415,948.26/70,211.28
  6. Step 6: Final answer
    x = 54,697.99

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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.