Home / 104,989.24-144,885.02-57,242.58

Finding the Fourth Proportional to 104,989.24, 144,885.02 and 57,242.58

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Solution

The fourth proportional to 104,989.24, 144,885.02 and 57,242.58 is: 78,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.24 : 144,885.02 = 57,242.58 : x
  2. Step 2: Convert to fraction form
    104,989.24/144,885.02 = 57,242.58/x
  3. Step 3: Cross multiply
    104,989.24x = 144,885.02 × 57,242.58
  4. Step 4: Simplify right side
    104,989.24x = 8,293,592,348.15
  5. Step 5: Solve for x
    x = 8,293,592,348.15/104,989.24
  6. Step 6: Final answer
    x = 78,994.69

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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.