Home / 113,762.03-157,022.82-66,030.75

Finding the Fourth Proportional to 113,762.03, 157,022.82 and 66,030.75

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Solution

The fourth proportional to 113,762.03, 157,022.82 and 66,030.75 is: 91,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,762.03 : 157,022.82 = 66,030.75 : x
  2. Step 2: Convert to fraction form
    113,762.03/157,022.82 = 66,030.75/x
  3. Step 3: Cross multiply
    113,762.03x = 157,022.82 × 66,030.75
  4. Step 4: Simplify right side
    113,762.03x = 10,368,334,571.72
  5. Step 5: Solve for x
    x = 10,368,334,571.72/113,762.03
  6. Step 6: Final answer
    x = 91,140.56

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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.