Home / 70,231.15-105,343.94-38,703.72

Finding the Fourth Proportional to 70,231.15, 105,343.94 and 38,703.72

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Solution

The fourth proportional to 70,231.15, 105,343.94 and 38,703.72 is: 58,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,231.15 : 105,343.94 = 38,703.72 : x
  2. Step 2: Convert to fraction form
    70,231.15/105,343.94 = 38,703.72/x
  3. Step 3: Cross multiply
    70,231.15x = 105,343.94 × 38,703.72
  4. Step 4: Simplify right side
    70,231.15x = 4,077,202,849.26
  5. Step 5: Solve for x
    x = 4,077,202,849.26/70,231.15
  6. Step 6: Final answer
    x = 58,054.05

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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.