Home / 47,193.90-65,120.67-31,253.10

Finding the Fourth Proportional to 47,193.90, 65,120.67 and 31,253.10

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Solution

The fourth proportional to 47,193.90, 65,120.67 and 31,253.10 is: 43,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,193.90 : 65,120.67 = 31,253.10 : x
  2. Step 2: Convert to fraction form
    47,193.90/65,120.67 = 31,253.10/x
  3. Step 3: Cross multiply
    47,193.90x = 65,120.67 × 31,253.10
  4. Step 4: Simplify right side
    47,193.90x = 2,035,222,811.58
  5. Step 5: Solve for x
    x = 2,035,222,811.58/47,193.90
  6. Step 6: Final answer
    x = 43,124.70

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1.5x scale

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.