Home / 48,116.25-66,429.59-31,378.41

Finding the Fourth Proportional to 48,116.25, 66,429.59 and 31,378.41

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Solution

The fourth proportional to 48,116.25, 66,429.59 and 31,378.41 is: 43,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,116.25 : 66,429.59 = 31,378.41 : x
  2. Step 2: Convert to fraction form
    48,116.25/66,429.59 = 31,378.41/x
  3. Step 3: Cross multiply
    48,116.25x = 66,429.59 × 31,378.41
  4. Step 4: Simplify right side
    48,116.25x = 2,084,454,754.26
  5. Step 5: Solve for x
    x = 2,084,454,754.26/48,116.25
  6. Step 6: Final answer
    x = 43,321.22

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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.