Home / 66,913.06-100,369.76-22,570.92

Finding the Fourth Proportional to 66,913.06, 100,369.76 and 22,570.92

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Solution

The fourth proportional to 66,913.06, 100,369.76 and 22,570.92 is: 33,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.06 : 100,369.76 = 22,570.92 : x
  2. Step 2: Convert to fraction form
    66,913.06/100,369.76 = 22,570.92/x
  3. Step 3: Cross multiply
    66,913.06x = 100,369.76 × 22,570.92
  4. Step 4: Simplify right side
    66,913.06x = 2,265,437,823.38
  5. Step 5: Solve for x
    x = 2,265,437,823.38/66,913.06
  6. Step 6: Final answer
    x = 33,856.44

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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.