Home / 66,034.50-99,070.38-26,028.78

Finding the Fourth Proportional to 66,034.50, 99,070.38 and 26,028.78

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Solution

The fourth proportional to 66,034.50, 99,070.38 and 26,028.78 is: 39,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.50 : 99,070.38 = 26,028.78 : x
  2. Step 2: Convert to fraction form
    66,034.50/99,070.38 = 26,028.78/x
  3. Step 3: Cross multiply
    66,034.50x = 99,070.38 × 26,028.78
  4. Step 4: Simplify right side
    66,034.50x = 2,578,681,125.54
  5. Step 5: Solve for x
    x = 2,578,681,125.54/66,034.50
  6. Step 6: Final answer
    x = 39,050.51

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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.