Home / 66,073.59-99,112.14-19,326.42

Finding the Fourth Proportional to 66,073.59, 99,112.14 and 19,326.42

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Solution

The fourth proportional to 66,073.59, 99,112.14 and 19,326.42 is: 28,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.59 : 99,112.14 = 19,326.42 : x
  2. Step 2: Convert to fraction form
    66,073.59/99,112.14 = 19,326.42/x
  3. Step 3: Cross multiply
    66,073.59x = 99,112.14 × 19,326.42
  4. Step 4: Simplify right side
    66,073.59x = 1,915,482,844.74
  5. Step 5: Solve for x
    x = 1,915,482,844.74/66,073.59
  6. Step 6: Final answer
    x = 28,990.14

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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.