Home / 66,368.22-99,499.70-34,772.22

Finding the Fourth Proportional to 66,368.22, 99,499.70 and 34,772.22

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Solution

The fourth proportional to 66,368.22, 99,499.70 and 34,772.22 is: 52,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,368.22 : 99,499.70 = 34,772.22 : x
  2. Step 2: Convert to fraction form
    66,368.22/99,499.70 = 34,772.22/x
  3. Step 3: Cross multiply
    66,368.22x = 99,499.70 × 34,772.22
  4. Step 4: Simplify right side
    66,368.22x = 3,459,824,786.97
  5. Step 5: Solve for x
    x = 3,459,824,786.97/66,368.22
  6. Step 6: Final answer
    x = 52,130.75

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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.