Home / 111,072.40-153,283.98-63,325.24

Finding the Fourth Proportional to 111,072.40, 153,283.98 and 63,325.24

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Solution

The fourth proportional to 111,072.40, 153,283.98 and 63,325.24 is: 87,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,072.40 : 153,283.98 = 63,325.24 : x
  2. Step 2: Convert to fraction form
    111,072.40/153,283.98 = 63,325.24/x
  3. Step 3: Cross multiply
    111,072.40x = 153,283.98 × 63,325.24
  4. Step 4: Simplify right side
    111,072.40x = 9,706,744,821.66
  5. Step 5: Solve for x
    x = 9,706,744,821.66/111,072.40
  6. Step 6: Final answer
    x = 87,391.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.