Home / 90,647.46-125,095.72-49,811.26

Finding the Fourth Proportional to 90,647.46, 125,095.72 and 49,811.26

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Solution

The fourth proportional to 90,647.46, 125,095.72 and 49,811.26 is: 68,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,647.46 : 125,095.72 = 49,811.26 : x
  2. Step 2: Convert to fraction form
    90,647.46/125,095.72 = 49,811.26/x
  3. Step 3: Cross multiply
    90,647.46x = 125,095.72 × 49,811.26
  4. Step 4: Simplify right side
    90,647.46x = 6,231,175,433.81
  5. Step 5: Solve for x
    x = 6,231,175,433.81/90,647.46
  6. Step 6: Final answer
    x = 68,740.76

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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.