Home / 96,931.69-145,420.82-33,742.51

Finding the Fourth Proportional to 96,931.69, 145,420.82 and 33,742.51

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Solution

The fourth proportional to 96,931.69, 145,420.82 and 33,742.51 is: 50,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,931.69 : 145,420.82 = 33,742.51 : x
  2. Step 2: Convert to fraction form
    96,931.69/145,420.82 = 33,742.51/x
  3. Step 3: Cross multiply
    96,931.69x = 145,420.82 × 33,742.51
  4. Step 4: Simplify right side
    96,931.69x = 4,906,862,577.24
  5. Step 5: Solve for x
    x = 4,906,862,577.24/96,931.69
  6. Step 6: Final answer
    x = 50,621.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.