Home / 93,161.01-128,558.75-50,718.69

Finding the Fourth Proportional to 93,161.01, 128,558.75 and 50,718.69

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Solution

The fourth proportional to 93,161.01, 128,558.75 and 50,718.69 is: 69,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.01 : 128,558.75 = 50,718.69 : x
  2. Step 2: Convert to fraction form
    93,161.01/128,558.75 = 50,718.69/x
  3. Step 3: Cross multiply
    93,161.01x = 128,558.75 × 50,718.69
  4. Step 4: Simplify right side
    93,161.01x = 6,520,331,134.44
  5. Step 5: Solve for x
    x = 6,520,331,134.44/93,161.01
  6. Step 6: Final answer
    x = 69,989.91

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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.