Home / 84,172.83-126,084.29-39,835.05

Finding the Fourth Proportional to 84,172.83, 126,084.29 and 39,835.05

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Solution

The fourth proportional to 84,172.83, 126,084.29 and 39,835.05 is: 59,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.83 : 126,084.29 = 39,835.05 : x
  2. Step 2: Convert to fraction form
    84,172.83/126,084.29 = 39,835.05/x
  3. Step 3: Cross multiply
    84,172.83x = 126,084.29 × 39,835.05
  4. Step 4: Simplify right side
    84,172.83x = 5,022,573,797.19
  5. Step 5: Solve for x
    x = 5,022,573,797.19/84,172.83
  6. Step 6: Final answer
    x = 59,669.77

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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.