Home / 90,869.49-125,403.57-50,580.69

Finding the Fourth Proportional to 90,869.49, 125,403.57 and 50,580.69

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Solution

The fourth proportional to 90,869.49, 125,403.57 and 50,580.69 is: 69,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,869.49 : 125,403.57 = 50,580.69 : x
  2. Step 2: Convert to fraction form
    90,869.49/125,403.57 = 50,580.69/x
  3. Step 3: Cross multiply
    90,869.49x = 125,403.57 × 50,580.69
  4. Step 4: Simplify right side
    90,869.49x = 6,342,999,099.06
  5. Step 5: Solve for x
    x = 6,342,999,099.06/90,869.49
  6. Step 6: Final answer
    x = 69,803.40

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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.