Home / 84,387.45-126,643.47-40,014.35

Finding the Fourth Proportional to 84,387.45, 126,643.47 and 40,014.35

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Solution

The fourth proportional to 84,387.45, 126,643.47 and 40,014.35 is: 60,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,387.45 : 126,643.47 = 40,014.35 : x
  2. Step 2: Convert to fraction form
    84,387.45/126,643.47 = 40,014.35/x
  3. Step 3: Cross multiply
    84,387.45x = 126,643.47 × 40,014.35
  4. Step 4: Simplify right side
    84,387.45x = 5,067,556,875.43
  5. Step 5: Solve for x
    x = 5,067,556,875.43/84,387.45
  6. Step 6: Final answer
    x = 60,051.08

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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.