Home / 93,012.38-128,356.44-50,570.93

Finding the Fourth Proportional to 93,012.38, 128,356.44 and 50,570.93

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Solution

The fourth proportional to 93,012.38, 128,356.44 and 50,570.93 is: 69,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012.38 : 128,356.44 = 50,570.93 : x
  2. Step 2: Convert to fraction form
    93,012.38/128,356.44 = 50,570.93/x
  3. Step 3: Cross multiply
    93,012.38x = 128,356.44 × 50,570.93
  4. Step 4: Simplify right side
    93,012.38x = 6,491,104,542.29
  5. Step 5: Solve for x
    x = 6,491,104,542.29/93,012.38
  6. Step 6: Final answer
    x = 69,787.53

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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.