Home / 66,280.07-99,394.49-21,894.91

Finding the Fourth Proportional to 66,280.07, 99,394.49 and 21,894.91

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Solution

The fourth proportional to 66,280.07, 99,394.49 and 21,894.91 is: 32,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.07 : 99,394.49 = 21,894.91 : x
  2. Step 2: Convert to fraction form
    66,280.07/99,394.49 = 21,894.91/x
  3. Step 3: Cross multiply
    66,280.07x = 99,394.49 × 21,894.91
  4. Step 4: Simplify right side
    66,280.07x = 2,176,233,219.30
  5. Step 5: Solve for x
    x = 2,176,233,219.30/66,280.07
  6. Step 6: Final answer
    x = 32,833.90

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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.