Home / 66,226.32-99,339.48-19,479.60

Finding the Fourth Proportional to 66,226.32, 99,339.48 and 19,479.60

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Solution

The fourth proportional to 66,226.32, 99,339.48 and 19,479.60 is: 29,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.32 : 99,339.48 = 19,479.60 : x
  2. Step 2: Convert to fraction form
    66,226.32/99,339.48 = 19,479.60/x
  3. Step 3: Cross multiply
    66,226.32x = 99,339.48 × 19,479.60
  4. Step 4: Simplify right side
    66,226.32x = 1,935,093,334.61
  5. Step 5: Solve for x
    x = 1,935,093,334.61/66,226.32
  6. Step 6: Final answer
    x = 29,219.40

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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.