Home / 100,882.08-151,313.76-47,561.76

Finding the Fourth Proportional to 100,882.08, 151,313.76 and 47,561.76

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Solution

The fourth proportional to 100,882.08, 151,313.76 and 47,561.76 is: 71,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,882.08 : 151,313.76 = 47,561.76 : x
  2. Step 2: Convert to fraction form
    100,882.08/151,313.76 = 47,561.76/x
  3. Step 3: Cross multiply
    100,882.08x = 151,313.76 × 47,561.76
  4. Step 4: Simplify right side
    100,882.08x = 7,196,748,737.82
  5. Step 5: Solve for x
    x = 7,196,748,737.82/100,882.08
  6. Step 6: Final answer
    x = 71,338.23

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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.