Home / 74,627.36-111,395.04-65,770.28

Finding the Fourth Proportional to 74,627.36, 111,395.04 and 65,770.28

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Solution

The fourth proportional to 74,627.36, 111,395.04 and 65,770.28 is: 98,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.36 : 111,395.04 = 65,770.28 : x
  2. Step 2: Convert to fraction form
    74,627.36/111,395.04 = 65,770.28/x
  3. Step 3: Cross multiply
    74,627.36x = 111,395.04 × 65,770.28
  4. Step 4: Simplify right side
    74,627.36x = 7,326,482,971.41
  5. Step 5: Solve for x
    x = 7,326,482,971.41/74,627.36
  6. Step 6: Final answer
    x = 98,174.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.