Home / 92,940.32-128,257.34-50,499.02

Finding the Fourth Proportional to 92,940.32, 128,257.34 and 50,499.02

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Solution

The fourth proportional to 92,940.32, 128,257.34 and 50,499.02 is: 69,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.32 : 128,257.34 = 50,499.02 : x
  2. Step 2: Convert to fraction form
    92,940.32/128,257.34 = 50,499.02/x
  3. Step 3: Cross multiply
    92,940.32x = 128,257.34 × 50,499.02
  4. Step 4: Simplify right side
    92,940.32x = 6,476,869,977.81
  5. Step 5: Solve for x
    x = 6,476,869,977.81/92,940.32
  6. Step 6: Final answer
    x = 69,688.48

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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.