Home / 113,647.36-156,834.44-62,661.92

Finding the Fourth Proportional to 113,647.36, 156,834.44 and 62,661.92

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Solution

The fourth proportional to 113,647.36, 156,834.44 and 62,661.92 is: 86,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647.36 : 156,834.44 = 62,661.92 : x
  2. Step 2: Convert to fraction form
    113,647.36/156,834.44 = 62,661.92/x
  3. Step 3: Cross multiply
    113,647.36x = 156,834.44 × 62,661.92
  4. Step 4: Simplify right side
    113,647.36x = 9,827,547,132.52
  5. Step 5: Solve for x
    x = 9,827,547,132.52/113,647.36
  6. Step 6: Final answer
    x = 86,474.05

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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.