Home / 97,720.92-134,858.18-57,434.10

Finding the Fourth Proportional to 97,720.92, 134,858.18 and 57,434.10

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Solution

The fourth proportional to 97,720.92, 134,858.18 and 57,434.10 is: 79,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.92 : 134,858.18 = 57,434.10 : x
  2. Step 2: Convert to fraction form
    97,720.92/134,858.18 = 57,434.10/x
  3. Step 3: Cross multiply
    97,720.92x = 134,858.18 × 57,434.10
  4. Step 4: Simplify right side
    97,720.92x = 7,745,458,195.94
  5. Step 5: Solve for x
    x = 7,745,458,195.94/97,720.92
  6. Step 6: Final answer
    x = 79,261.00

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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.