Home / 97,825.96-134,986.62-57,516.40

Finding the Fourth Proportional to 97,825.96, 134,986.62 and 57,516.40

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Solution

The fourth proportional to 97,825.96, 134,986.62 and 57,516.40 is: 79,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,825.96 : 134,986.62 = 57,516.40 : x
  2. Step 2: Convert to fraction form
    97,825.96/134,986.62 = 57,516.40/x
  3. Step 3: Cross multiply
    97,825.96x = 134,986.62 × 57,516.40
  4. Step 4: Simplify right side
    97,825.96x = 7,763,944,430.57
  5. Step 5: Solve for x
    x = 7,763,944,430.57/97,825.96
  6. Step 6: Final answer
    x = 79,364.87

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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.