Home / 90,311.45-124,624.04-52,069.01

Finding the Fourth Proportional to 90,311.45, 124,624.04 and 52,069.01

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Solution

The fourth proportional to 90,311.45, 124,624.04 and 52,069.01 is: 71,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,311.45 : 124,624.04 = 52,069.01 : x
  2. Step 2: Convert to fraction form
    90,311.45/124,624.04 = 52,069.01/x
  3. Step 3: Cross multiply
    90,311.45x = 124,624.04 × 52,069.01
  4. Step 4: Simplify right side
    90,311.45x = 6,489,049,501.54
  5. Step 5: Solve for x
    x = 6,489,049,501.54/90,311.45
  6. Step 6: Final answer
    x = 71,851.91

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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.