Home / 90,583.16-135,264.76-73,976.14

Finding the Fourth Proportional to 90,583.16, 135,264.76 and 73,976.14

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Solution

The fourth proportional to 90,583.16, 135,264.76 and 73,976.14 is: 110,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,583.16 : 135,264.76 = 73,976.14 : x
  2. Step 2: Convert to fraction form
    90,583.16/135,264.76 = 73,976.14/x
  3. Step 3: Cross multiply
    90,583.16x = 135,264.76 × 73,976.14
  4. Step 4: Simplify right side
    90,583.16x = 10,006,363,776.62
  5. Step 5: Solve for x
    x = 10,006,363,776.62/90,583.16
  6. Step 6: Final answer
    x = 110,466.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.