Home / 99,506.25-137,316.66-54,184.79

Finding the Fourth Proportional to 99,506.25, 137,316.66 and 54,184.79

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Solution

The fourth proportional to 99,506.25, 137,316.66 and 54,184.79 is: 74,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506.25 : 137,316.66 = 54,184.79 : x
  2. Step 2: Convert to fraction form
    99,506.25/137,316.66 = 54,184.79/x
  3. Step 3: Cross multiply
    99,506.25x = 137,316.66 × 54,184.79
  4. Step 4: Simplify right side
    99,506.25x = 7,440,473,699.02
  5. Step 5: Solve for x
    x = 7,440,473,699.02/99,506.25
  6. Step 6: Final answer
    x = 74,773.93

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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.