Home / 91,078.93-125,688.68-50,792.74

Finding the Fourth Proportional to 91,078.93, 125,688.68 and 50,792.74

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Solution

The fourth proportional to 91,078.93, 125,688.68 and 50,792.74 is: 70,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,078.93 : 125,688.68 = 50,792.74 : x
  2. Step 2: Convert to fraction form
    91,078.93/125,688.68 = 50,792.74/x
  3. Step 3: Cross multiply
    91,078.93x = 125,688.68 × 50,792.74
  4. Step 4: Simplify right side
    91,078.93x = 6,384,072,444.18
  5. Step 5: Solve for x
    x = 6,384,072,444.18/91,078.93
  6. Step 6: Final answer
    x = 70,093.85

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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.