Home / 57,112.70-85,260.28-49,641.36

Finding the Fourth Proportional to 57,112.70, 85,260.28 and 49,641.36

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Solution

The fourth proportional to 57,112.70, 85,260.28 and 49,641.36 is: 74,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.70 : 85,260.28 = 49,641.36 : x
  2. Step 2: Convert to fraction form
    57,112.70/85,260.28 = 49,641.36/x
  3. Step 3: Cross multiply
    57,112.70x = 85,260.28 × 49,641.36
  4. Step 4: Simplify right side
    57,112.70x = 4,232,436,253.18
  5. Step 5: Solve for x
    x = 4,232,436,253.18/57,112.70
  6. Step 6: Final answer
    x = 74,106.74

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.