Home / 92,760.75-128,010.15-50,319.58

Finding the Fourth Proportional to 92,760.75, 128,010.15 and 50,319.58

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Solution

The fourth proportional to 92,760.75, 128,010.15 and 50,319.58 is: 69,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,760.75 : 128,010.15 = 50,319.58 : x
  2. Step 2: Convert to fraction form
    92,760.75/128,010.15 = 50,319.58/x
  3. Step 3: Cross multiply
    92,760.75x = 128,010.15 × 50,319.58
  4. Step 4: Simplify right side
    92,760.75x = 6,441,416,983.74
  5. Step 5: Solve for x
    x = 6,441,416,983.74/92,760.75
  6. Step 6: Final answer
    x = 69,441.19

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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.