Home / 80,478.48-111,058.74-44,668.92

Finding the Fourth Proportional to 80,478.48, 111,058.74 and 44,668.92

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Solution

The fourth proportional to 80,478.48, 111,058.74 and 44,668.92 is: 61,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.48 : 111,058.74 = 44,668.92 : x
  2. Step 2: Convert to fraction form
    80,478.48/111,058.74 = 44,668.92/x
  3. Step 3: Cross multiply
    80,478.48x = 111,058.74 × 44,668.92
  4. Step 4: Simplify right side
    80,478.48x = 4,960,873,972.36
  5. Step 5: Solve for x
    x = 4,960,873,972.36/80,478.48
  6. Step 6: Final answer
    x = 61,642.24

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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.