Home / 84,406.52-126,572.86-40,045.93

Finding the Fourth Proportional to 84,406.52, 126,572.86 and 40,045.93

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Solution

The fourth proportional to 84,406.52, 126,572.86 and 40,045.93 is: 60,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,406.52 : 126,572.86 = 40,045.93 : x
  2. Step 2: Convert to fraction form
    84,406.52/126,572.86 = 40,045.93/x
  3. Step 3: Cross multiply
    84,406.52x = 126,572.86 × 40,045.93
  4. Step 4: Simplify right side
    84,406.52x = 5,068,727,625.09
  5. Step 5: Solve for x
    x = 5,068,727,625.09/84,406.52
  6. Step 6: Final answer
    x = 60,051.37

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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.