Home / 52,260.39-72,100.53-31,039.20

Finding the Fourth Proportional to 52,260.39, 72,100.53 and 31,039.20

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Solution

The fourth proportional to 52,260.39, 72,100.53 and 31,039.20 is: 42,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.39 : 72,100.53 = 31,039.20 : x
  2. Step 2: Convert to fraction form
    52,260.39/72,100.53 = 31,039.20/x
  3. Step 3: Cross multiply
    52,260.39x = 72,100.53 × 31,039.20
  4. Step 4: Simplify right side
    52,260.39x = 2,237,942,770.78
  5. Step 5: Solve for x
    x = 2,237,942,770.78/52,260.39
  6. Step 6: Final answer
    x = 42,822.93

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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.