Home / 97,386.57-134,390.75-54,949.05

Finding the Fourth Proportional to 97,386.57, 134,390.75 and 54,949.05

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Solution

The fourth proportional to 97,386.57, 134,390.75 and 54,949.05 is: 75,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,386.57 : 134,390.75 = 54,949.05 : x
  2. Step 2: Convert to fraction form
    97,386.57/134,390.75 = 54,949.05/x
  3. Step 3: Cross multiply
    97,386.57x = 134,390.75 × 54,949.05
  4. Step 4: Simplify right side
    97,386.57x = 7,384,643,766.54
  5. Step 5: Solve for x
    x = 7,384,643,766.54/97,386.57
  6. Step 6: Final answer
    x = 75,828.15

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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.