Home / 113,393.12-156,488.64-63,093.20

Finding the Fourth Proportional to 113,393.12, 156,488.64 and 63,093.20

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Solution

The fourth proportional to 113,393.12, 156,488.64 and 63,093.20 is: 87,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393.12 : 156,488.64 = 63,093.20 : x
  2. Step 2: Convert to fraction form
    113,393.12/156,488.64 = 63,093.20/x
  3. Step 3: Cross multiply
    113,393.12x = 156,488.64 × 63,093.20
  4. Step 4: Simplify right side
    113,393.12x = 9,873,369,061.25
  5. Step 5: Solve for x
    x = 9,873,369,061.25/113,393.12
  6. Step 6: Final answer
    x = 87,072.03

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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.