Home / 114,394.92-157,811.59-71,976.84

Finding the Fourth Proportional to 114,394.92, 157,811.59 and 71,976.84

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Solution

The fourth proportional to 114,394.92, 157,811.59 and 71,976.84 is: 99,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,394.92 : 157,811.59 = 71,976.84 : x
  2. Step 2: Convert to fraction form
    114,394.92/157,811.59 = 71,976.84/x
  3. Step 3: Cross multiply
    114,394.92x = 157,811.59 × 71,976.84
  4. Step 4: Simplify right side
    114,394.92x = 11,358,779,563.58
  5. Step 5: Solve for x
    x = 11,358,779,563.58/114,394.92
  6. Step 6: Final answer
    x = 99,294.44

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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.