Home / 72,175.28-107,706.49-63,429.03

Finding the Fourth Proportional to 72,175.28, 107,706.49 and 63,429.03

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Solution

The fourth proportional to 72,175.28, 107,706.49 and 63,429.03 is: 94,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175.28 : 107,706.49 = 63,429.03 : x
  2. Step 2: Convert to fraction form
    72,175.28/107,706.49 = 63,429.03/x
  3. Step 3: Cross multiply
    72,175.28x = 107,706.49 × 63,429.03
  4. Step 4: Simplify right side
    72,175.28x = 6,831,718,026.83
  5. Step 5: Solve for x
    x = 6,831,718,026.83/72,175.28
  6. Step 6: Final answer
    x = 94,654.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.