Home / 69,718.25-96,211.80-37,887.15

Finding the Fourth Proportional to 69,718.25, 96,211.80 and 37,887.15

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Solution

The fourth proportional to 69,718.25, 96,211.80 and 37,887.15 is: 52,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,718.25 : 96,211.80 = 37,887.15 : x
  2. Step 2: Convert to fraction form
    69,718.25/96,211.80 = 37,887.15/x
  3. Step 3: Cross multiply
    69,718.25x = 96,211.80 × 37,887.15
  4. Step 4: Simplify right side
    69,718.25x = 3,645,190,898.37
  5. Step 5: Solve for x
    x = 3,645,190,898.37/69,718.25
  6. Step 6: Final answer
    x = 52,284.60

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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.