Home / 107,981.64-149,025.02-60,239.43

Finding the Fourth Proportional to 107,981.64, 149,025.02 and 60,239.43

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Solution

The fourth proportional to 107,981.64, 149,025.02 and 60,239.43 is: 83,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,981.64 : 149,025.02 = 60,239.43 : x
  2. Step 2: Convert to fraction form
    107,981.64/149,025.02 = 60,239.43/x
  3. Step 3: Cross multiply
    107,981.64x = 149,025.02 × 60,239.43
  4. Step 4: Simplify right side
    107,981.64x = 8,977,181,959.34
  5. Step 5: Solve for x
    x = 8,977,181,959.34/107,981.64
  6. Step 6: Final answer
    x = 83,136.19

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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.