Home / 124,001.02-185,994.87-72,738.22

Finding the Fourth Proportional to 124,001.02, 185,994.87 and 72,738.22

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Solution

The fourth proportional to 124,001.02, 185,994.87 and 72,738.22 is: 109,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,001.02 : 185,994.87 = 72,738.22 : x
  2. Step 2: Convert to fraction form
    124,001.02/185,994.87 = 72,738.22/x
  3. Step 3: Cross multiply
    124,001.02x = 185,994.87 × 72,738.22
  4. Step 4: Simplify right side
    124,001.02x = 13,528,935,772.93
  5. Step 5: Solve for x
    x = 13,528,935,772.93/124,001.02
  6. Step 6: Final answer
    x = 109,103.42

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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.