Home / 113,631.22-156,810.46-62,643.77

Finding the Fourth Proportional to 113,631.22, 156,810.46 and 62,643.77

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Solution

The fourth proportional to 113,631.22, 156,810.46 and 62,643.77 is: 86,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,631.22 : 156,810.46 = 62,643.77 : x
  2. Step 2: Convert to fraction form
    113,631.22/156,810.46 = 62,643.77/x
  3. Step 3: Cross multiply
    113,631.22x = 156,810.46 × 62,643.77
  4. Step 4: Simplify right side
    113,631.22x = 9,823,198,154.39
  5. Step 5: Solve for x
    x = 9,823,198,154.39/113,631.22
  6. Step 6: Final answer
    x = 86,448.05

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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.