Home / 69,921.92-96,489.53-42,743.51

Finding the Fourth Proportional to 69,921.92, 96,489.53 and 42,743.51

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Solution

The fourth proportional to 69,921.92, 96,489.53 and 42,743.51 is: 58,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.92 : 96,489.53 = 42,743.51 : x
  2. Step 2: Convert to fraction form
    69,921.92/96,489.53 = 42,743.51/x
  3. Step 3: Cross multiply
    69,921.92x = 96,489.53 × 42,743.51
  4. Step 4: Simplify right side
    69,921.92x = 4,124,301,190.45
  5. Step 5: Solve for x
    x = 4,124,301,190.45/69,921.92
  6. Step 6: Final answer
    x = 58,984.38

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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.