Home / 53,077.20-73,254.56-31,868.16

Finding the Fourth Proportional to 53,077.20, 73,254.56 and 31,868.16

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Solution

The fourth proportional to 53,077.20, 73,254.56 and 31,868.16 is: 43,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,077.20 : 73,254.56 = 31,868.16 : x
  2. Step 2: Convert to fraction form
    53,077.20/73,254.56 = 31,868.16/x
  3. Step 3: Cross multiply
    53,077.20x = 73,254.56 × 31,868.16
  4. Step 4: Simplify right side
    53,077.20x = 2,334,487,879.47
  5. Step 5: Solve for x
    x = 2,334,487,879.47/53,077.20
  6. Step 6: Final answer
    x = 43,982.88

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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.