Home / 61,307.28-91,911.27-19,165.68

Finding the Fourth Proportional to 61,307.28, 91,911.27 and 19,165.68

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Solution

The fourth proportional to 61,307.28, 91,911.27 and 19,165.68 is: 28,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.28 : 91,911.27 = 19,165.68 : x
  2. Step 2: Convert to fraction form
    61,307.28/91,911.27 = 19,165.68/x
  3. Step 3: Cross multiply
    61,307.28x = 91,911.27 × 19,165.68
  4. Step 4: Simplify right side
    61,307.28x = 1,761,542,061.08
  5. Step 5: Solve for x
    x = 1,761,542,061.08/61,307.28
  6. Step 6: Final answer
    x = 28,733.00

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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.