Home / 65,078.18-97,505.84-35,516.75

Finding the Fourth Proportional to 65,078.18, 97,505.84 and 35,516.75

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Solution

The fourth proportional to 65,078.18, 97,505.84 and 35,516.75 is: 53,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.18 : 97,505.84 = 35,516.75 : x
  2. Step 2: Convert to fraction form
    65,078.18/97,505.84 = 35,516.75/x
  3. Step 3: Cross multiply
    65,078.18x = 97,505.84 × 35,516.75
  4. Step 4: Simplify right side
    65,078.18x = 3,463,090,875.38
  5. Step 5: Solve for x
    x = 3,463,090,875.38/65,078.18
  6. Step 6: Final answer
    x = 53,214.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.