Home / 92,942.92-128,263.14-50,504.20

Finding the Fourth Proportional to 92,942.92, 128,263.14 and 50,504.20

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Solution

The fourth proportional to 92,942.92, 128,263.14 and 50,504.20 is: 69,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.92 : 128,263.14 = 50,504.20 : x
  2. Step 2: Convert to fraction form
    92,942.92/128,263.14 = 50,504.20/x
  3. Step 3: Cross multiply
    92,942.92x = 128,263.14 × 50,504.20
  4. Step 4: Simplify right side
    92,942.92x = 6,477,827,275.19
  5. Step 5: Solve for x
    x = 6,477,827,275.19/92,942.92
  6. Step 6: Final answer
    x = 69,696.83

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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.