Home / 114,326.40-171,417.60-47,812.80

Finding the Fourth Proportional to 114,326.40, 171,417.60 and 47,812.80

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Solution

The fourth proportional to 114,326.40, 171,417.60 and 47,812.80 is: 71,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,326.40 : 171,417.60 = 47,812.80 : x
  2. Step 2: Convert to fraction form
    114,326.40/171,417.60 = 47,812.80/x
  3. Step 3: Cross multiply
    114,326.40x = 171,417.60 × 47,812.80
  4. Step 4: Simplify right side
    114,326.40x = 8,195,955,425.28
  5. Step 5: Solve for x
    x = 8,195,955,425.28/114,326.40
  6. Step 6: Final answer
    x = 71,689.09

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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.