Home / 90,622.67-125,041.12-50,330.84

Finding the Fourth Proportional to 90,622.67, 125,041.12 and 50,330.84

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Solution

The fourth proportional to 90,622.67, 125,041.12 and 50,330.84 is: 69,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,622.67 : 125,041.12 = 50,330.84 : x
  2. Step 2: Convert to fraction form
    90,622.67/125,041.12 = 50,330.84/x
  3. Step 3: Cross multiply
    90,622.67x = 125,041.12 × 50,330.84
  4. Step 4: Simplify right side
    90,622.67x = 6,293,423,853.11
  5. Step 5: Solve for x
    x = 6,293,423,853.11/90,622.67
  6. Step 6: Final answer
    x = 69,446.47

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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.