Home / 84,350.45-126,482.64-28,170.32

Finding the Fourth Proportional to 84,350.45, 126,482.64 and 28,170.32

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Solution

The fourth proportional to 84,350.45, 126,482.64 and 28,170.32 is: 42,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.45 : 126,482.64 = 28,170.32 : x
  2. Step 2: Convert to fraction form
    84,350.45/126,482.64 = 28,170.32/x
  3. Step 3: Cross multiply
    84,350.45x = 126,482.64 × 28,170.32
  4. Step 4: Simplify right side
    84,350.45x = 3,563,056,443.24
  5. Step 5: Solve for x
    x = 3,563,056,443.24/84,350.45
  6. Step 6: Final answer
    x = 42,241.11

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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.