Home / 89,678.77-134,471.45-33,472.66

Finding the Fourth Proportional to 89,678.77, 134,471.45 and 33,472.66

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Solution

The fourth proportional to 89,678.77, 134,471.45 and 33,472.66 is: 50,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,678.77 : 134,471.45 = 33,472.66 : x
  2. Step 2: Convert to fraction form
    89,678.77/134,471.45 = 33,472.66/x
  3. Step 3: Cross multiply
    89,678.77x = 134,471.45 × 33,472.66
  4. Step 4: Simplify right side
    89,678.77x = 4,501,117,041.88
  5. Step 5: Solve for x
    x = 4,501,117,041.88/89,678.77
  6. Step 6: Final answer
    x = 50,191.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.