Home / 47,888.19-66,085.71-27,756.75

Finding the Fourth Proportional to 47,888.19, 66,085.71 and 27,756.75

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Solution

The fourth proportional to 47,888.19, 66,085.71 and 27,756.75 is: 38,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.19 : 66,085.71 = 27,756.75 : x
  2. Step 2: Convert to fraction form
    47,888.19/66,085.71 = 27,756.75/x
  3. Step 3: Cross multiply
    47,888.19x = 66,085.71 × 27,756.75
  4. Step 4: Simplify right side
    47,888.19x = 1,834,324,531.04
  5. Step 5: Solve for x
    x = 1,834,324,531.04/47,888.19
  6. Step 6: Final answer
    x = 38,304.32

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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.