Home / 92,960.20-128,284.96-50,518.64

Finding the Fourth Proportional to 92,960.20, 128,284.96 and 50,518.64

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Solution

The fourth proportional to 92,960.20, 128,284.96 and 50,518.64 is: 69,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.20 : 128,284.96 = 50,518.64 : x
  2. Step 2: Convert to fraction form
    92,960.20/128,284.96 = 50,518.64/x
  3. Step 3: Cross multiply
    92,960.20x = 128,284.96 × 50,518.64
  4. Step 4: Simplify right side
    92,960.20x = 6,480,781,711.65
  5. Step 5: Solve for x
    x = 6,480,781,711.65/92,960.20
  6. Step 6: Final answer
    x = 69,715.66

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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.