Home / 104,781.74-144,598.77-57,035.41

Finding the Fourth Proportional to 104,781.74, 144,598.77 and 57,035.41

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Solution

The fourth proportional to 104,781.74, 144,598.77 and 57,035.41 is: 78,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.74 : 144,598.77 = 57,035.41 : x
  2. Step 2: Convert to fraction form
    104,781.74/144,598.77 = 57,035.41/x
  3. Step 3: Cross multiply
    104,781.74x = 144,598.77 × 57,035.41
  4. Step 4: Simplify right side
    104,781.74x = 8,247,249,770.95
  5. Step 5: Solve for x
    x = 8,247,249,770.95/104,781.74
  6. Step 6: Final answer
    x = 78,708.85

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1.5x scale

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.