Home / 74,253.18-111,400.32-34,284.39

Finding the Fourth Proportional to 74,253.18, 111,400.32 and 34,284.39

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Solution

The fourth proportional to 74,253.18, 111,400.32 and 34,284.39 is: 51,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253.18 : 111,400.32 = 34,284.39 : x
  2. Step 2: Convert to fraction form
    74,253.18/111,400.32 = 34,284.39/x
  3. Step 3: Cross multiply
    74,253.18x = 111,400.32 × 34,284.39
  4. Step 4: Simplify right side
    74,253.18x = 3,819,292,017.00
  5. Step 5: Solve for x
    x = 3,819,292,017.00/74,253.18
  6. Step 6: Final answer
    x = 51,436.07

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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.