Home / 113,280.12-156,324.02-61,596.09

Finding the Fourth Proportional to 113,280.12, 156,324.02 and 61,596.09

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Solution

The fourth proportional to 113,280.12, 156,324.02 and 61,596.09 is: 85,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,280.12 : 156,324.02 = 61,596.09 : x
  2. Step 2: Convert to fraction form
    113,280.12/156,324.02 = 61,596.09/x
  3. Step 3: Cross multiply
    113,280.12x = 156,324.02 × 61,596.09
  4. Step 4: Simplify right side
    113,280.12x = 9,628,948,097.10
  5. Step 5: Solve for x
    x = 9,628,948,097.10/113,280.12
  6. Step 6: Final answer
    x = 85,001.22

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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.