Home / 84,653.74-126,984.66-69,835.18

Finding the Fourth Proportional to 84,653.74, 126,984.66 and 69,835.18

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Solution

The fourth proportional to 84,653.74, 126,984.66 and 69,835.18 is: 104,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,653.74 : 126,984.66 = 69,835.18 : x
  2. Step 2: Convert to fraction form
    84,653.74/126,984.66 = 69,835.18/x
  3. Step 3: Cross multiply
    84,653.74x = 126,984.66 × 69,835.18
  4. Step 4: Simplify right side
    84,653.74x = 8,867,996,588.34
  5. Step 5: Solve for x
    x = 8,867,996,588.34/84,653.74
  6. Step 6: Final answer
    x = 104,756.11

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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.