Home / 99,426.01-137,205.13-54,102.94

Finding the Fourth Proportional to 99,426.01, 137,205.13 and 54,102.94

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Solution

The fourth proportional to 99,426.01, 137,205.13 and 54,102.94 is: 74,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.01 : 137,205.13 = 54,102.94 : x
  2. Step 2: Convert to fraction form
    99,426.01/137,205.13 = 54,102.94/x
  3. Step 3: Cross multiply
    99,426.01x = 137,205.13 × 54,102.94
  4. Step 4: Simplify right side
    99,426.01x = 7,423,200,916.08
  5. Step 5: Solve for x
    x = 7,423,200,916.08/99,426.01
  6. Step 6: Final answer
    x = 74,660.55

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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.