Home / 74,471.10-111,937.05-73,088.70

Finding the Fourth Proportional to 74,471.10, 111,937.05 and 73,088.70

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Solution

The fourth proportional to 74,471.10, 111,937.05 and 73,088.70 is: 109,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,471.10 : 111,937.05 = 73,088.70 : x
  2. Step 2: Convert to fraction form
    74,471.10/111,937.05 = 73,088.70/x
  3. Step 3: Cross multiply
    74,471.10x = 111,937.05 × 73,088.70
  4. Step 4: Simplify right side
    74,471.10x = 8,181,333,466.34
  5. Step 5: Solve for x
    x = 8,181,333,466.34/74,471.10
  6. Step 6: Final answer
    x = 109,859.17

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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.