Home / 66,074.84-99,118.74-21,701.72

Finding the Fourth Proportional to 66,074.84, 99,118.74 and 21,701.72

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Solution

The fourth proportional to 66,074.84, 99,118.74 and 21,701.72 is: 32,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.84 : 99,118.74 = 21,701.72 : x
  2. Step 2: Convert to fraction form
    66,074.84/99,118.74 = 21,701.72/x
  3. Step 3: Cross multiply
    66,074.84x = 99,118.74 × 21,701.72
  4. Step 4: Simplify right side
    66,074.84x = 2,151,047,142.23
  5. Step 5: Solve for x
    x = 2,151,047,142.23/66,074.84
  6. Step 6: Final answer
    x = 32,554.71

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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.