Home / 99,423.35-137,204.48-54,101.32

Finding the Fourth Proportional to 99,423.35, 137,204.48 and 54,101.32

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Solution

The fourth proportional to 99,423.35, 137,204.48 and 54,101.32 is: 74,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,423.35 : 137,204.48 = 54,101.32 : x
  2. Step 2: Convert to fraction form
    99,423.35/137,204.48 = 54,101.32/x
  3. Step 3: Cross multiply
    99,423.35x = 137,204.48 × 54,101.32
  4. Step 4: Simplify right side
    99,423.35x = 7,422,943,270.16
  5. Step 5: Solve for x
    x = 7,422,943,270.16/99,423.35
  6. Step 6: Final answer
    x = 74,659.96

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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.