Home / 47,013.65-70,470.93-15,415.46

Finding the Fourth Proportional to 47,013.65, 70,470.93 and 15,415.46

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Solution

The fourth proportional to 47,013.65, 70,470.93 and 15,415.46 is: 23,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.65 : 70,470.93 = 15,415.46 : x
  2. Step 2: Convert to fraction form
    47,013.65/70,470.93 = 15,415.46/x
  3. Step 3: Cross multiply
    47,013.65x = 70,470.93 × 15,415.46
  4. Step 4: Simplify right side
    47,013.65x = 1,086,342,081.98
  5. Step 5: Solve for x
    x = 1,086,342,081.98/47,013.65
  6. Step 6: Final answer
    x = 23,106.95

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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.