Home / 66,585.06-99,877.96-22,211.70

Finding the Fourth Proportional to 66,585.06, 99,877.96 and 22,211.70

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Solution

The fourth proportional to 66,585.06, 99,877.96 and 22,211.70 is: 33,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585.06 : 99,877.96 = 22,211.70 : x
  2. Step 2: Convert to fraction form
    66,585.06/99,877.96 = 22,211.70/x
  3. Step 3: Cross multiply
    66,585.06x = 99,877.96 × 22,211.70
  4. Step 4: Simplify right side
    66,585.06x = 2,218,459,284.13
  5. Step 5: Solve for x
    x = 2,218,459,284.13/66,585.06
  6. Step 6: Final answer
    x = 33,317.67

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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.