Home / 90,271.76-124,564.94-49,975.43

Finding the Fourth Proportional to 90,271.76, 124,564.94 and 49,975.43

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Solution

The fourth proportional to 90,271.76, 124,564.94 and 49,975.43 is: 68,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,271.76 : 124,564.94 = 49,975.43 : x
  2. Step 2: Convert to fraction form
    90,271.76/124,564.94 = 49,975.43/x
  3. Step 3: Cross multiply
    90,271.76x = 124,564.94 × 49,975.43
  4. Step 4: Simplify right side
    90,271.76x = 6,225,186,439.42
  5. Step 5: Solve for x
    x = 6,225,186,439.42/90,271.76
  6. Step 6: Final answer
    x = 68,960.51

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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.