Home / 99,505.83-137,316.08-54,184.36

Finding the Fourth Proportional to 99,505.83, 137,316.08 and 54,184.36

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Solution

The fourth proportional to 99,505.83, 137,316.08 and 54,184.36 is: 74,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,505.83 : 137,316.08 = 54,184.36 : x
  2. Step 2: Convert to fraction form
    99,505.83/137,316.08 = 54,184.36/x
  3. Step 3: Cross multiply
    99,505.83x = 137,316.08 × 54,184.36
  4. Step 4: Simplify right side
    99,505.83x = 7,440,383,704.68
  5. Step 5: Solve for x
    x = 7,440,383,704.68/99,505.83
  6. Step 6: Final answer
    x = 74,773.34

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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.