Home / 75,056.04-112,517.82-28,276.20

Finding the Fourth Proportional to 75,056.04, 112,517.82 and 28,276.20

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Solution

The fourth proportional to 75,056.04, 112,517.82 and 28,276.20 is: 42,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056.04 : 112,517.82 = 28,276.20 : x
  2. Step 2: Convert to fraction form
    75,056.04/112,517.82 = 28,276.20/x
  3. Step 3: Cross multiply
    75,056.04x = 112,517.82 × 28,276.20
  4. Step 4: Simplify right side
    75,056.04x = 3,181,576,381.88
  5. Step 5: Solve for x
    x = 3,181,576,381.88/75,056.04
  6. Step 6: Final answer
    x = 42,389.35

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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.