Home / 109,647.62-151,315.00-64,326.39

Finding the Fourth Proportional to 109,647.62, 151,315.00 and 64,326.39

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Solution

The fourth proportional to 109,647.62, 151,315.00 and 64,326.39 is: 88,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.62 : 151,315.00 = 64,326.39 : x
  2. Step 2: Convert to fraction form
    109,647.62/151,315.00 = 64,326.39/x
  3. Step 3: Cross multiply
    109,647.62x = 151,315.00 × 64,326.39
  4. Step 4: Simplify right side
    109,647.62x = 9,733,547,542.03
  5. Step 5: Solve for x
    x = 9,733,547,542.03/109,647.62
  6. Step 6: Final answer
    x = 88,771.17

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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.