Home / 83,554.40-115,304.28-45,828.80

Finding the Fourth Proportional to 83,554.40, 115,304.28 and 45,828.80

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Solution

The fourth proportional to 83,554.40, 115,304.28 and 45,828.80 is: 63,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,554.40 : 115,304.28 = 45,828.80 : x
  2. Step 2: Convert to fraction form
    83,554.40/115,304.28 = 45,828.80/x
  3. Step 3: Cross multiply
    83,554.40x = 115,304.28 × 45,828.80
  4. Step 4: Simplify right side
    83,554.40x = 5,284,256,787.26
  5. Step 5: Solve for x
    x = 5,284,256,787.26/83,554.40
  6. Step 6: Final answer
    x = 63,243.31

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1.5x scale

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.