Home / 55,671.46-76,768.02-42,091.41

Finding the Fourth Proportional to 55,671.46, 76,768.02 and 42,091.41

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Solution

The fourth proportional to 55,671.46, 76,768.02 and 42,091.41 is: 58,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.46 : 76,768.02 = 42,091.41 : x
  2. Step 2: Convert to fraction form
    55,671.46/76,768.02 = 42,091.41/x
  3. Step 3: Cross multiply
    55,671.46x = 76,768.02 × 42,091.41
  4. Step 4: Simplify right side
    55,671.46x = 3,231,274,204.71
  5. Step 5: Solve for x
    x = 3,231,274,204.71/55,671.46
  6. Step 6: Final answer
    x = 58,041.84

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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.