Home / 85,416.32-117,873.24-49,626.40

Finding the Fourth Proportional to 85,416.32, 117,873.24 and 49,626.40

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Solution

The fourth proportional to 85,416.32, 117,873.24 and 49,626.40 is: 68,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,416.32 : 117,873.24 = 49,626.40 : x
  2. Step 2: Convert to fraction form
    85,416.32/117,873.24 = 49,626.40/x
  3. Step 3: Cross multiply
    85,416.32x = 117,873.24 × 49,626.40
  4. Step 4: Simplify right side
    85,416.32x = 5,849,624,557.54
  5. Step 5: Solve for x
    x = 5,849,624,557.54/85,416.32
  6. Step 6: Final answer
    x = 68,483.69

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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.