Home / 70,550.18-105,841.43-30,575.88

Finding the Fourth Proportional to 70,550.18, 105,841.43 and 30,575.88

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Solution

The fourth proportional to 70,550.18, 105,841.43 and 30,575.88 is: 45,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,550.18 : 105,841.43 = 30,575.88 : x
  2. Step 2: Convert to fraction form
    70,550.18/105,841.43 = 30,575.88/x
  3. Step 3: Cross multiply
    70,550.18x = 105,841.43 × 30,575.88
  4. Step 4: Simplify right side
    70,550.18x = 3,236,194,862.71
  5. Step 5: Solve for x
    x = 3,236,194,862.71/70,550.18
  6. Step 6: Final answer
    x = 45,870.82

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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.