Home / 94,187.97-129,921.75-55,921.56

Finding the Fourth Proportional to 94,187.97, 129,921.75 and 55,921.56

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Solution

The fourth proportional to 94,187.97, 129,921.75 and 55,921.56 is: 77,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,187.97 : 129,921.75 = 55,921.56 : x
  2. Step 2: Convert to fraction form
    94,187.97/129,921.75 = 55,921.56/x
  3. Step 3: Cross multiply
    94,187.97x = 129,921.75 × 55,921.56
  4. Step 4: Simplify right side
    94,187.97x = 7,265,426,937.93
  5. Step 5: Solve for x
    x = 7,265,426,937.93/94,187.97
  6. Step 6: Final answer
    x = 77,137.53

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1.5x scale

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.