Home / 89,964.36-124,026.66-64,491.48

Finding the Fourth Proportional to 89,964.36, 124,026.66 and 64,491.48

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Solution

The fourth proportional to 89,964.36, 124,026.66 and 64,491.48 is: 88,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.36 : 124,026.66 = 64,491.48 : x
  2. Step 2: Convert to fraction form
    89,964.36/124,026.66 = 64,491.48/x
  3. Step 3: Cross multiply
    89,964.36x = 124,026.66 × 64,491.48
  4. Step 4: Simplify right side
    89,964.36x = 7,998,662,862.86
  5. Step 5: Solve for x
    x = 7,998,662,862.86/89,964.36
  6. Step 6: Final answer
    x = 88,909.24

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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.