Home / 99,743.58-137,627.36-59,461.14

Finding the Fourth Proportional to 99,743.58, 137,627.36 and 59,461.14

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Solution

The fourth proportional to 99,743.58, 137,627.36 and 59,461.14 is: 82,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743.58 : 137,627.36 = 59,461.14 : x
  2. Step 2: Convert to fraction form
    99,743.58/137,627.36 = 59,461.14/x
  3. Step 3: Cross multiply
    99,743.58x = 137,627.36 × 59,461.14
  4. Step 4: Simplify right side
    99,743.58x = 8,183,479,720.79
  5. Step 5: Solve for x
    x = 8,183,479,720.79/99,743.58
  6. Step 6: Final answer
    x = 82,045.18

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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.