Home / 47,225.47-70,821.19-15,629.70

Finding the Fourth Proportional to 47,225.47, 70,821.19 and 15,629.70

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Solution

The fourth proportional to 47,225.47, 70,821.19 and 15,629.70 is: 23,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.47 : 70,821.19 = 15,629.70 : x
  2. Step 2: Convert to fraction form
    47,225.47/70,821.19 = 15,629.70/x
  3. Step 3: Cross multiply
    47,225.47x = 70,821.19 × 15,629.70
  4. Step 4: Simplify right side
    47,225.47x = 1,106,913,953.34
  5. Step 5: Solve for x
    x = 1,106,913,953.34/47,225.47
  6. Step 6: Final answer
    x = 23,438.92

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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.