Home / 90,487.69-124,873.11-52,769.23

Finding the Fourth Proportional to 90,487.69, 124,873.11 and 52,769.23

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Solution

The fourth proportional to 90,487.69, 124,873.11 and 52,769.23 is: 72,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,487.69 : 124,873.11 = 52,769.23 : x
  2. Step 2: Convert to fraction form
    90,487.69/124,873.11 = 52,769.23/x
  3. Step 3: Cross multiply
    90,487.69x = 124,873.11 × 52,769.23
  4. Step 4: Simplify right side
    90,487.69x = 6,589,457,550.22
  5. Step 5: Solve for x
    x = 6,589,457,550.22/90,487.69
  6. Step 6: Final answer
    x = 72,821.59

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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.