Home / 72,127.32-108,280.08-34,212.84

Finding the Fourth Proportional to 72,127.32, 108,280.08 and 34,212.84

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Solution

The fourth proportional to 72,127.32, 108,280.08 and 34,212.84 is: 51,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,127.32 : 108,280.08 = 34,212.84 : x
  2. Step 2: Convert to fraction form
    72,127.32/108,280.08 = 34,212.84/x
  3. Step 3: Cross multiply
    72,127.32x = 108,280.08 × 34,212.84
  4. Step 4: Simplify right side
    72,127.32x = 3,704,569,052.23
  5. Step 5: Solve for x
    x = 3,704,569,052.23/72,127.32
  6. Step 6: Final answer
    x = 51,361.52

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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.