Home / 66,423.36-99,693.53-34,855.98

Finding the Fourth Proportional to 66,423.36, 99,693.53 and 34,855.98

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Solution

The fourth proportional to 66,423.36, 99,693.53 and 34,855.98 is: 52,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.36 : 99,693.53 = 34,855.98 : x
  2. Step 2: Convert to fraction form
    66,423.36/99,693.53 = 34,855.98/x
  3. Step 3: Cross multiply
    66,423.36x = 99,693.53 × 34,855.98
  4. Step 4: Simplify right side
    66,423.36x = 3,474,915,687.81
  5. Step 5: Solve for x
    x = 3,474,915,687.81/66,423.36
  6. Step 6: Final answer
    x = 52,314.66

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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.