Home / 66,473.38-91,763.86-57,362.50

Finding the Fourth Proportional to 66,473.38, 91,763.86 and 57,362.50

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Solution

The fourth proportional to 66,473.38, 91,763.86 and 57,362.50 is: 79,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.38 : 91,763.86 = 57,362.50 : x
  2. Step 2: Convert to fraction form
    66,473.38/91,763.86 = 57,362.50/x
  3. Step 3: Cross multiply
    66,473.38x = 91,763.86 × 57,362.50
  4. Step 4: Simplify right side
    66,473.38x = 5,263,804,419.25
  5. Step 5: Solve for x
    x = 5,263,804,419.25/66,473.38
  6. Step 6: Final answer
    x = 79,186.65

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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.