Home / 75,239.28-112,783.08-47,179.16

Finding the Fourth Proportional to 75,239.28, 112,783.08 and 47,179.16

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Solution

The fourth proportional to 75,239.28, 112,783.08 and 47,179.16 is: 70,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,239.28 : 112,783.08 = 47,179.16 : x
  2. Step 2: Convert to fraction form
    75,239.28/112,783.08 = 47,179.16/x
  3. Step 3: Cross multiply
    75,239.28x = 112,783.08 × 47,179.16
  4. Step 4: Simplify right side
    75,239.28x = 5,321,011,012.56
  5. Step 5: Solve for x
    x = 5,321,011,012.56/75,239.28
  6. Step 6: Final answer
    x = 70,721.18

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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.