Home / 97,076.15-133,974.13-56,787.36

Finding the Fourth Proportional to 97,076.15, 133,974.13 and 56,787.36

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Solution

The fourth proportional to 97,076.15, 133,974.13 and 56,787.36 is: 78,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,076.15 : 133,974.13 = 56,787.36 : x
  2. Step 2: Convert to fraction form
    97,076.15/133,974.13 = 56,787.36/x
  3. Step 3: Cross multiply
    97,076.15x = 133,974.13 × 56,787.36
  4. Step 4: Simplify right side
    97,076.15x = 7,608,037,151.00
  5. Step 5: Solve for x
    x = 7,608,037,151.00/97,076.15
  6. Step 6: Final answer
    x = 78,371.85

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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.