Home / 78,352.71-108,136.30-46,085.79

Finding the Fourth Proportional to 78,352.71, 108,136.30 and 46,085.79

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Solution

The fourth proportional to 78,352.71, 108,136.30 and 46,085.79 is: 63,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,352.71 : 108,136.30 = 46,085.79 : x
  2. Step 2: Convert to fraction form
    78,352.71/108,136.30 = 46,085.79/x
  3. Step 3: Cross multiply
    78,352.71x = 108,136.30 × 46,085.79
  4. Step 4: Simplify right side
    78,352.71x = 4,983,546,658.05
  5. Step 5: Solve for x
    x = 4,983,546,658.05/78,352.71
  6. Step 6: Final answer
    x = 63,604.01

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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.