Home / 79,045.48-109,085.79-45,059.32

Finding the Fourth Proportional to 79,045.48, 109,085.79 and 45,059.32

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Solution

The fourth proportional to 79,045.48, 109,085.79 and 45,059.32 is: 62,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.48 : 109,085.79 = 45,059.32 : x
  2. Step 2: Convert to fraction form
    79,045.48/109,085.79 = 45,059.32/x
  3. Step 3: Cross multiply
    79,045.48x = 109,085.79 × 45,059.32
  4. Step 4: Simplify right side
    79,045.48x = 4,915,331,519.06
  5. Step 5: Solve for x
    x = 4,915,331,519.06/79,045.48
  6. Step 6: Final answer
    x = 62,183.59

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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.