Home / 69,819.61-96,294.99-45,618.63

Finding the Fourth Proportional to 69,819.61, 96,294.99 and 45,618.63

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Solution

The fourth proportional to 69,819.61, 96,294.99 and 45,618.63 is: 62,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.61 : 96,294.99 = 45,618.63 : x
  2. Step 2: Convert to fraction form
    69,819.61/96,294.99 = 45,618.63/x
  3. Step 3: Cross multiply
    69,819.61x = 96,294.99 × 45,618.63
  4. Step 4: Simplify right side
    69,819.61x = 4,392,845,519.66
  5. Step 5: Solve for x
    x = 4,392,845,519.66/69,819.61
  6. Step 6: Final answer
    x = 62,917.07

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1.5x scale

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.