Home / 124,064.16-171,209.64-73,753.44

Finding the Fourth Proportional to 124,064.16, 171,209.64 and 73,753.44

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Solution

The fourth proportional to 124,064.16, 171,209.64 and 73,753.44 is: 101,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.16 : 171,209.64 = 73,753.44 : x
  2. Step 2: Convert to fraction form
    124,064.16/171,209.64 = 73,753.44/x
  3. Step 3: Cross multiply
    124,064.16x = 171,209.64 × 73,753.44
  4. Step 4: Simplify right side
    124,064.16x = 12,627,299,911.16
  5. Step 5: Solve for x
    x = 12,627,299,911.16/124,064.16
  6. Step 6: Final answer
    x = 101,780.40

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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.