Home / 74,152.07-102,247.85-47,251.97

Finding the Fourth Proportional to 74,152.07, 102,247.85 and 47,251.97

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Solution

The fourth proportional to 74,152.07, 102,247.85 and 47,251.97 is: 65,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152.07 : 102,247.85 = 47,251.97 : x
  2. Step 2: Convert to fraction form
    74,152.07/102,247.85 = 47,251.97/x
  3. Step 3: Cross multiply
    74,152.07x = 102,247.85 × 47,251.97
  4. Step 4: Simplify right side
    74,152.07x = 4,831,411,947.66
  5. Step 5: Solve for x
    x = 4,831,411,947.66/74,152.07
  6. Step 6: Final answer
    x = 65,155.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.