Home / 61,130.69-91,704.23-26,078.55

Finding the Fourth Proportional to 61,130.69, 91,704.23 and 26,078.55

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Solution

The fourth proportional to 61,130.69, 91,704.23 and 26,078.55 is: 39,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,130.69 : 91,704.23 = 26,078.55 : x
  2. Step 2: Convert to fraction form
    61,130.69/91,704.23 = 26,078.55/x
  3. Step 3: Cross multiply
    61,130.69x = 91,704.23 × 26,078.55
  4. Step 4: Simplify right side
    61,130.69x = 2,391,513,347.27
  5. Step 5: Solve for x
    x = 2,391,513,347.27/61,130.69
  6. Step 6: Final answer
    x = 39,121.32

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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.