Home / 76,862.12-106,080.44-45,041.27

Finding the Fourth Proportional to 76,862.12, 106,080.44 and 45,041.27

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Solution

The fourth proportional to 76,862.12, 106,080.44 and 45,041.27 is: 62,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862.12 : 106,080.44 = 45,041.27 : x
  2. Step 2: Convert to fraction form
    76,862.12/106,080.44 = 45,041.27/x
  3. Step 3: Cross multiply
    76,862.12x = 106,080.44 × 45,041.27
  4. Step 4: Simplify right side
    76,862.12x = 4,777,996,984.15
  5. Step 5: Solve for x
    x = 4,777,996,984.15/76,862.12
  6. Step 6: Final answer
    x = 62,163.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.