Home / 93,900.39-129,589.56-58,111.20

Finding the Fourth Proportional to 93,900.39, 129,589.56 and 58,111.20

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Solution

The fourth proportional to 93,900.39, 129,589.56 and 58,111.20 is: 80,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900.39 : 129,589.56 = 58,111.20 : x
  2. Step 2: Convert to fraction form
    93,900.39/129,589.56 = 58,111.20/x
  3. Step 3: Cross multiply
    93,900.39x = 129,589.56 × 58,111.20
  4. Step 4: Simplify right side
    93,900.39x = 7,530,604,839.07
  5. Step 5: Solve for x
    x = 7,530,604,839.07/93,900.39
  6. Step 6: Final answer
    x = 80,197.80

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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.