Home / 66,318.88-99,478.32-62,263.84

Finding the Fourth Proportional to 66,318.88, 99,478.32 and 62,263.84

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Solution

The fourth proportional to 66,318.88, 99,478.32 and 62,263.84 is: 93,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.88 : 99,478.32 = 62,263.84 : x
  2. Step 2: Convert to fraction form
    66,318.88/99,478.32 = 62,263.84/x
  3. Step 3: Cross multiply
    66,318.88x = 99,478.32 × 62,263.84
  4. Step 4: Simplify right side
    66,318.88x = 6,193,902,199.95
  5. Step 5: Solve for x
    x = 6,193,902,199.95/66,318.88
  6. Step 6: Final answer
    x = 93,395.76

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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.