Home / 76,724.52-115,012.96-39,302.22

Finding the Fourth Proportional to 76,724.52, 115,012.96 and 39,302.22

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Solution

The fourth proportional to 76,724.52, 115,012.96 and 39,302.22 is: 58,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,724.52 : 115,012.96 = 39,302.22 : x
  2. Step 2: Convert to fraction form
    76,724.52/115,012.96 = 39,302.22/x
  3. Step 3: Cross multiply
    76,724.52x = 115,012.96 × 39,302.22
  4. Step 4: Simplify right side
    76,724.52x = 4,520,264,656.77
  5. Step 5: Solve for x
    x = 4,520,264,656.77/76,724.52
  6. Step 6: Final answer
    x = 58,915.52

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1.5x scale

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.