Home / 114,425.12-157,911.66-63,434.61

Finding the Fourth Proportional to 114,425.12, 157,911.66 and 63,434.61

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Solution

The fourth proportional to 114,425.12, 157,911.66 and 63,434.61 is: 87,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,425.12 : 157,911.66 = 63,434.61 : x
  2. Step 2: Convert to fraction form
    114,425.12/157,911.66 = 63,434.61/x
  3. Step 3: Cross multiply
    114,425.12x = 157,911.66 × 63,434.61
  4. Step 4: Simplify right side
    114,425.12x = 10,017,063,776.99
  5. Step 5: Solve for x
    x = 10,017,063,776.99/114,425.12
  6. Step 6: Final answer
    x = 87,542.52

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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.