Home / 70,116.20-105,054.62-38,552.70

Finding the Fourth Proportional to 70,116.20, 105,054.62 and 38,552.70

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Solution

The fourth proportional to 70,116.20, 105,054.62 and 38,552.70 is: 57,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116.20 : 105,054.62 = 38,552.70 : x
  2. Step 2: Convert to fraction form
    70,116.20/105,054.62 = 38,552.70/x
  3. Step 3: Cross multiply
    70,116.20x = 105,054.62 × 38,552.70
  4. Step 4: Simplify right side
    70,116.20x = 4,050,139,248.47
  5. Step 5: Solve for x
    x = 4,050,139,248.47/70,116.20
  6. Step 6: Final answer
    x = 57,763.25

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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.