Home / 89,030.36-122,862-48,744.44

Finding the Fourth Proportional to 89,030.36, 122,862 and 48,744.44

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Solution

The fourth proportional to 89,030.36, 122,862 and 48,744.44 is: 67,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.36 : 122,862 = 48,744.44 : x
  2. Step 2: Convert to fraction form
    89,030.36/122,862 = 48,744.44/x
  3. Step 3: Cross multiply
    89,030.36x = 122,862 × 48,744.44
  4. Step 4: Simplify right side
    89,030.36x = 5,988,839,387.28
  5. Step 5: Solve for x
    x = 5,988,839,387.28/89,030.36
  6. Step 6: Final answer
    x = 67,267.38

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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.