Home / 84,426.02-126,602.10-40,065.43

Finding the Fourth Proportional to 84,426.02, 126,602.10 and 40,065.43

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Solution

The fourth proportional to 84,426.02, 126,602.10 and 40,065.43 is: 60,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,426.02 : 126,602.10 = 40,065.43 : x
  2. Step 2: Convert to fraction form
    84,426.02/126,602.10 = 40,065.43/x
  3. Step 3: Cross multiply
    84,426.02x = 126,602.10 × 40,065.43
  4. Step 4: Simplify right side
    84,426.02x = 5,072,367,575.40
  5. Step 5: Solve for x
    x = 5,072,367,575.40/84,426.02
  6. Step 6: Final answer
    x = 60,080.62

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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.