Home / 93,083.76-128,456.13-50,642.59

Finding the Fourth Proportional to 93,083.76, 128,456.13 and 50,642.59

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Solution

The fourth proportional to 93,083.76, 128,456.13 and 50,642.59 is: 69,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.76 : 128,456.13 = 50,642.59 : x
  2. Step 2: Convert to fraction form
    93,083.76/128,456.13 = 50,642.59/x
  3. Step 3: Cross multiply
    93,083.76x = 128,456.13 × 50,642.59
  4. Step 4: Simplify right side
    93,083.76x = 6,505,351,124.58
  5. Step 5: Solve for x
    x = 6,505,351,124.58/93,083.76
  6. Step 6: Final answer
    x = 69,887.07

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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.