Home / 91,832.13-126,742.27-56,042.94

Finding the Fourth Proportional to 91,832.13, 126,742.27 and 56,042.94

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Solution

The fourth proportional to 91,832.13, 126,742.27 and 56,042.94 is: 77,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,832.13 : 126,742.27 = 56,042.94 : x
  2. Step 2: Convert to fraction form
    91,832.13/126,742.27 = 56,042.94/x
  3. Step 3: Cross multiply
    91,832.13x = 126,742.27 × 56,042.94
  4. Step 4: Simplify right side
    91,832.13x = 7,103,009,160.41
  5. Step 5: Solve for x
    x = 7,103,009,160.41/91,832.13
  6. Step 6: Final answer
    x = 77,347.76

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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.