Home / 93,146.36-128,541.33-50,704.79

Finding the Fourth Proportional to 93,146.36, 128,541.33 and 50,704.79

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Solution

The fourth proportional to 93,146.36, 128,541.33 and 50,704.79 is: 69,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.36 : 128,541.33 = 50,704.79 : x
  2. Step 2: Convert to fraction form
    93,146.36/128,541.33 = 50,704.79/x
  3. Step 3: Cross multiply
    93,146.36x = 128,541.33 × 50,704.79
  4. Step 4: Simplify right side
    93,146.36x = 6,517,660,501.26
  5. Step 5: Solve for x
    x = 6,517,660,501.26/93,146.36
  6. Step 6: Final answer
    x = 69,972.25

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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.