Home / 88,285.54-121,792.17-50,538.34

Finding the Fourth Proportional to 88,285.54, 121,792.17 and 50,538.34

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Solution

The fourth proportional to 88,285.54, 121,792.17 and 50,538.34 is: 69,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,285.54 : 121,792.17 = 50,538.34 : x
  2. Step 2: Convert to fraction form
    88,285.54/121,792.17 = 50,538.34/x
  3. Step 3: Cross multiply
    88,285.54x = 121,792.17 × 50,538.34
  4. Step 4: Simplify right side
    88,285.54x = 6,155,174,096.80
  5. Step 5: Solve for x
    x = 6,155,174,096.80/88,285.54
  6. Step 6: Final answer
    x = 69,718.94

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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.