Home / 70,009.12-104,994.96-47,818.72

Finding the Fourth Proportional to 70,009.12, 104,994.96 and 47,818.72

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Solution

The fourth proportional to 70,009.12, 104,994.96 and 47,818.72 is: 71,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.12 : 104,994.96 = 47,818.72 : x
  2. Step 2: Convert to fraction form
    70,009.12/104,994.96 = 47,818.72/x
  3. Step 3: Cross multiply
    70,009.12x = 104,994.96 × 47,818.72
  4. Step 4: Simplify right side
    70,009.12x = 5,020,724,593.65
  5. Step 5: Solve for x
    x = 5,020,724,593.65/70,009.12
  6. Step 6: Final answer
    x = 71,715.29

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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.