Home / 88,233.48-121,759.74-47,945.90

Finding the Fourth Proportional to 88,233.48, 121,759.74 and 47,945.90

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Solution

The fourth proportional to 88,233.48, 121,759.74 and 47,945.90 is: 66,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,233.48 : 121,759.74 = 47,945.90 : x
  2. Step 2: Convert to fraction form
    88,233.48/121,759.74 = 47,945.90/x
  3. Step 3: Cross multiply
    88,233.48x = 121,759.74 × 47,945.90
  4. Step 4: Simplify right side
    88,233.48x = 5,837,880,622.47
  5. Step 5: Solve for x
    x = 5,837,880,622.47/88,233.48
  6. Step 6: Final answer
    x = 66,164.01

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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.