Home / 92,919.32-128,227.95-50,478.15

Finding the Fourth Proportional to 92,919.32, 128,227.95 and 50,478.15

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Solution

The fourth proportional to 92,919.32, 128,227.95 and 50,478.15 is: 69,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,919.32 : 128,227.95 = 50,478.15 : x
  2. Step 2: Convert to fraction form
    92,919.32/128,227.95 = 50,478.15/x
  3. Step 3: Cross multiply
    92,919.32x = 128,227.95 × 50,478.15
  4. Step 4: Simplify right side
    92,919.32x = 6,472,709,694.29
  5. Step 5: Solve for x
    x = 6,472,709,694.29/92,919.32
  6. Step 6: Final answer
    x = 69,659.46

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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.