Home / 99,326.50-149,083.38-36,207.63

Finding the Fourth Proportional to 99,326.50, 149,083.38 and 36,207.63

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Solution

The fourth proportional to 99,326.50, 149,083.38 and 36,207.63 is: 54,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.50 : 149,083.38 = 36,207.63 : x
  2. Step 2: Convert to fraction form
    99,326.50/149,083.38 = 36,207.63/x
  3. Step 3: Cross multiply
    99,326.50x = 149,083.38 × 36,207.63
  4. Step 4: Simplify right side
    99,326.50x = 5,397,955,862.19
  5. Step 5: Solve for x
    x = 5,397,955,862.19/99,326.50
  6. Step 6: Final answer
    x = 54,345.58

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1.5x scale

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.