Home / 77,350.32-106,630.60-54,618.48

Finding the Fourth Proportional to 77,350.32, 106,630.60 and 54,618.48

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Solution

The fourth proportional to 77,350.32, 106,630.60 and 54,618.48 is: 75,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.32 : 106,630.60 = 54,618.48 : x
  2. Step 2: Convert to fraction form
    77,350.32/106,630.60 = 54,618.48/x
  3. Step 3: Cross multiply
    77,350.32x = 106,630.60 × 54,618.48
  4. Step 4: Simplify right side
    77,350.32x = 5,824,001,293.49
  5. Step 5: Solve for x
    x = 5,824,001,293.49/77,350.32
  6. Step 6: Final answer
    x = 75,293.82

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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.