Home / 84,235.70-126,311.29-28,056.06

Finding the Fourth Proportional to 84,235.70, 126,311.29 and 28,056.06

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Solution

The fourth proportional to 84,235.70, 126,311.29 and 28,056.06 is: 42,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,235.70 : 126,311.29 = 28,056.06 : x
  2. Step 2: Convert to fraction form
    84,235.70/126,311.29 = 28,056.06/x
  3. Step 3: Cross multiply
    84,235.70x = 126,311.29 × 28,056.06
  4. Step 4: Simplify right side
    84,235.70x = 3,543,797,130.92
  5. Step 5: Solve for x
    x = 3,543,797,130.92/84,235.70
  6. Step 6: Final answer
    x = 42,070.01

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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.