Home / 75,501.32-104,203.86-43,689.56

Finding the Fourth Proportional to 75,501.32, 104,203.86 and 43,689.56

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Solution

The fourth proportional to 75,501.32, 104,203.86 and 43,689.56 is: 60,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,501.32 : 104,203.86 = 43,689.56 : x
  2. Step 2: Convert to fraction form
    75,501.32/104,203.86 = 43,689.56/x
  3. Step 3: Cross multiply
    75,501.32x = 104,203.86 × 43,689.56
  4. Step 4: Simplify right side
    75,501.32x = 4,552,620,793.70
  5. Step 5: Solve for x
    x = 4,552,620,793.70/75,501.32
  6. Step 6: Final answer
    x = 60,298.56

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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.