Home / 66,278.58-99,345.78-33,023.22

Finding the Fourth Proportional to 66,278.58, 99,345.78 and 33,023.22

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Solution

The fourth proportional to 66,278.58, 99,345.78 and 33,023.22 is: 49,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.58 : 99,345.78 = 33,023.22 : x
  2. Step 2: Convert to fraction form
    66,278.58/99,345.78 = 33,023.22/x
  3. Step 3: Cross multiply
    66,278.58x = 99,345.78 × 33,023.22
  4. Step 4: Simplify right side
    66,278.58x = 3,280,717,549.01
  5. Step 5: Solve for x
    x = 3,280,717,549.01/66,278.58
  6. Step 6: Final answer
    x = 49,498.91

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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.