Home / 75,226.18-103,740.26-45,006.70

Finding the Fourth Proportional to 75,226.18, 103,740.26 and 45,006.70

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Solution

The fourth proportional to 75,226.18, 103,740.26 and 45,006.70 is: 62,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.18 : 103,740.26 = 45,006.70 : x
  2. Step 2: Convert to fraction form
    75,226.18/103,740.26 = 45,006.70/x
  3. Step 3: Cross multiply
    75,226.18x = 103,740.26 × 45,006.70
  4. Step 4: Simplify right side
    75,226.18x = 4,669,006,759.74
  5. Step 5: Solve for x
    x = 4,669,006,759.74/75,226.18
  6. Step 6: Final answer
    x = 62,066.25

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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.