Home / 66,631.14-99,946.71-17,383.14

Finding the Fourth Proportional to 66,631.14, 99,946.71 and 17,383.14

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Solution

The fourth proportional to 66,631.14, 99,946.71 and 17,383.14 is: 26,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,631.14 : 99,946.71 = 17,383.14 : x
  2. Step 2: Convert to fraction form
    66,631.14/99,946.71 = 17,383.14/x
  3. Step 3: Cross multiply
    66,631.14x = 99,946.71 × 17,383.14
  4. Step 4: Simplify right side
    66,631.14x = 1,737,387,652.47
  5. Step 5: Solve for x
    x = 1,737,387,652.47/66,631.14
  6. Step 6: Final answer
    x = 26,074.71

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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.