Home / 97,433.28-134,460-54,989.28

Finding the Fourth Proportional to 97,433.28, 134,460 and 54,989.28

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Solution

The fourth proportional to 97,433.28, 134,460 and 54,989.28 is: 75,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,433.28 : 134,460 = 54,989.28 : x
  2. Step 2: Convert to fraction form
    97,433.28/134,460 = 54,989.28/x
  3. Step 3: Cross multiply
    97,433.28x = 134,460 × 54,989.28
  4. Step 4: Simplify right side
    97,433.28x = 7,393,858,588.80
  5. Step 5: Solve for x
    x = 7,393,858,588.80/97,433.28
  6. Step 6: Final answer
    x = 75,886.38

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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.