Home / 89,211.76-123,111.66-50,983.00

Finding the Fourth Proportional to 89,211.76, 123,111.66 and 50,983.00

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Solution

The fourth proportional to 89,211.76, 123,111.66 and 50,983.00 is: 70,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.76 : 123,111.66 = 50,983.00 : x
  2. Step 2: Convert to fraction form
    89,211.76/123,111.66 = 50,983.00/x
  3. Step 3: Cross multiply
    89,211.76x = 123,111.66 × 50,983.00
  4. Step 4: Simplify right side
    89,211.76x = 6,276,602,337.69
  5. Step 5: Solve for x
    x = 6,276,602,337.69/89,211.76
  6. Step 6: Final answer
    x = 70,356.22

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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.