Home / 70,470.20-105,655.06-33,009.72

Finding the Fourth Proportional to 70,470.20, 105,655.06 and 33,009.72

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Solution

The fourth proportional to 70,470.20, 105,655.06 and 33,009.72 is: 49,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470.20 : 105,655.06 = 33,009.72 : x
  2. Step 2: Convert to fraction form
    70,470.20/105,655.06 = 33,009.72/x
  3. Step 3: Cross multiply
    70,470.20x = 105,655.06 × 33,009.72
  4. Step 4: Simplify right side
    70,470.20x = 3,487,643,947.18
  5. Step 5: Solve for x
    x = 3,487,643,947.18/70,470.20
  6. Step 6: Final answer
    x = 49,491.05

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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.