Home / 99,504.39-137,315.19-54,182.34

Finding the Fourth Proportional to 99,504.39, 137,315.19 and 54,182.34

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Solution

The fourth proportional to 99,504.39, 137,315.19 and 54,182.34 is: 74,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.39 : 137,315.19 = 54,182.34 : x
  2. Step 2: Convert to fraction form
    99,504.39/137,315.19 = 54,182.34/x
  3. Step 3: Cross multiply
    99,504.39x = 137,315.19 × 54,182.34
  4. Step 4: Simplify right side
    99,504.39x = 7,440,058,311.74
  5. Step 5: Solve for x
    x = 7,440,058,311.74/99,504.39
  6. Step 6: Final answer
    x = 74,771.16

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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.