Home / 85,455.92-117,925.52-49,154.60

Finding the Fourth Proportional to 85,455.92, 117,925.52 and 49,154.60

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Solution

The fourth proportional to 85,455.92, 117,925.52 and 49,154.60 is: 67,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,455.92 : 117,925.52 = 49,154.60 : x
  2. Step 2: Convert to fraction form
    85,455.92/117,925.52 = 49,154.60/x
  3. Step 3: Cross multiply
    85,455.92x = 117,925.52 × 49,154.60
  4. Step 4: Simplify right side
    85,455.92x = 5,796,581,765.39
  5. Step 5: Solve for x
    x = 5,796,581,765.39/85,455.92
  6. Step 6: Final answer
    x = 67,831.25

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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.