Home / 102,637.02-153,906.21-52,691.34

Finding the Fourth Proportional to 102,637.02, 153,906.21 and 52,691.34

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Solution

The fourth proportional to 102,637.02, 153,906.21 and 52,691.34 is: 79,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,637.02 : 153,906.21 = 52,691.34 : x
  2. Step 2: Convert to fraction form
    102,637.02/153,906.21 = 52,691.34/x
  3. Step 3: Cross multiply
    102,637.02x = 153,906.21 × 52,691.34
  4. Step 4: Simplify right side
    102,637.02x = 8,109,524,439.22
  5. Step 5: Solve for x
    x = 8,109,524,439.22/102,637.02
  6. Step 6: Final answer
    x = 79,011.69

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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.