Home / 93,738.20-129,356.33-55,498.23

Finding the Fourth Proportional to 93,738.20, 129,356.33 and 55,498.23

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Solution

The fourth proportional to 93,738.20, 129,356.33 and 55,498.23 is: 76,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.20 : 129,356.33 = 55,498.23 : x
  2. Step 2: Convert to fraction form
    93,738.20/129,356.33 = 55,498.23/x
  3. Step 3: Cross multiply
    93,738.20x = 129,356.33 × 55,498.23
  4. Step 4: Simplify right side
    93,738.20x = 7,179,047,076.80
  5. Step 5: Solve for x
    x = 7,179,047,076.80/93,738.20
  6. Step 6: Final answer
    x = 76,586.15

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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.