Home / 76,283.14-105,276.97-42,302.29

Finding the Fourth Proportional to 76,283.14, 105,276.97 and 42,302.29

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Solution

The fourth proportional to 76,283.14, 105,276.97 and 42,302.29 is: 58,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.14 : 105,276.97 = 42,302.29 : x
  2. Step 2: Convert to fraction form
    76,283.14/105,276.97 = 42,302.29/x
  3. Step 3: Cross multiply
    76,283.14x = 105,276.97 × 42,302.29
  4. Step 4: Simplify right side
    76,283.14x = 4,453,456,704.95
  5. Step 5: Solve for x
    x = 4,453,456,704.95/76,283.14
  6. Step 6: Final answer
    x = 58,380.62

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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.