Home / 93,219.26-128,642.38-50,777.69

Finding the Fourth Proportional to 93,219.26, 128,642.38 and 50,777.69

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Solution

The fourth proportional to 93,219.26, 128,642.38 and 50,777.69 is: 70,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.26 : 128,642.38 = 50,777.69 : x
  2. Step 2: Convert to fraction form
    93,219.26/128,642.38 = 50,777.69/x
  3. Step 3: Cross multiply
    93,219.26x = 128,642.38 × 50,777.69
  4. Step 4: Simplify right side
    93,219.26x = 6,532,162,122.35
  5. Step 5: Solve for x
    x = 6,532,162,122.35/93,219.26
  6. Step 6: Final answer
    x = 70,073.10

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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.