Home / 99,932.45-137,908.58-54,612.34

Finding the Fourth Proportional to 99,932.45, 137,908.58 and 54,612.34

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Solution

The fourth proportional to 99,932.45, 137,908.58 and 54,612.34 is: 75,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,932.45 : 137,908.58 = 54,612.34 : x
  2. Step 2: Convert to fraction form
    99,932.45/137,908.58 = 54,612.34/x
  3. Step 3: Cross multiply
    99,932.45x = 137,908.58 × 54,612.34
  4. Step 4: Simplify right side
    99,932.45x = 7,531,509,642.04
  5. Step 5: Solve for x
    x = 7,531,509,642.04/99,932.45
  6. Step 6: Final answer
    x = 75,366.01

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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.