Home / 61,228.85-91,840.77-16,854.38

Finding the Fourth Proportional to 61,228.85, 91,840.77 and 16,854.38

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Solution

The fourth proportional to 61,228.85, 91,840.77 and 16,854.38 is: 25,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.85 : 91,840.77 = 16,854.38 : x
  2. Step 2: Convert to fraction form
    61,228.85/91,840.77 = 16,854.38/x
  3. Step 3: Cross multiply
    61,228.85x = 91,840.77 × 16,854.38
  4. Step 4: Simplify right side
    61,228.85x = 1,547,919,122.27
  5. Step 5: Solve for x
    x = 1,547,919,122.27/61,228.85
  6. Step 6: Final answer
    x = 25,280.88

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1.5x scale

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.