Home / 61,215.30-91,817.55-16,838.10

Finding the Fourth Proportional to 61,215.30, 91,817.55 and 16,838.10

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Solution

The fourth proportional to 61,215.30, 91,817.55 and 16,838.10 is: 25,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.30 : 91,817.55 = 16,838.10 : x
  2. Step 2: Convert to fraction form
    61,215.30/91,817.55 = 16,838.10/x
  3. Step 3: Cross multiply
    61,215.30x = 91,817.55 × 16,838.10
  4. Step 4: Simplify right side
    61,215.30x = 1,546,033,088.66
  5. Step 5: Solve for x
    x = 1,546,033,088.66/61,215.30
  6. Step 6: Final answer
    x = 25,255.66

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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.