Home / 113,808.16-170,628-54,587.44

Finding the Fourth Proportional to 113,808.16, 170,628 and 54,587.44

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Solution

The fourth proportional to 113,808.16, 170,628 and 54,587.44 is: 81,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,808.16 : 170,628 = 54,587.44 : x
  2. Step 2: Convert to fraction form
    113,808.16/170,628 = 54,587.44/x
  3. Step 3: Cross multiply
    113,808.16x = 170,628 × 54,587.44
  4. Step 4: Simplify right side
    113,808.16x = 9,314,145,712.32
  5. Step 5: Solve for x
    x = 9,314,145,712.32/113,808.16
  6. Step 6: Final answer
    x = 81,840.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.