Home / 93,011.28-128,356.83-50,569.71

Finding the Fourth Proportional to 93,011.28, 128,356.83 and 50,569.71

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Solution

The fourth proportional to 93,011.28, 128,356.83 and 50,569.71 is: 69,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.28 : 128,356.83 = 50,569.71 : x
  2. Step 2: Convert to fraction form
    93,011.28/128,356.83 = 50,569.71/x
  3. Step 3: Cross multiply
    93,011.28x = 128,356.83 × 50,569.71
  4. Step 4: Simplify right side
    93,011.28x = 6,490,967,669.62
  5. Step 5: Solve for x
    x = 6,490,967,669.62/93,011.28
  6. Step 6: Final answer
    x = 69,786.89

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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.