Home / 112,597.71-155,382.44-61,610.23

Finding the Fourth Proportional to 112,597.71, 155,382.44 and 61,610.23

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Solution

The fourth proportional to 112,597.71, 155,382.44 and 61,610.23 is: 85,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.71 : 155,382.44 = 61,610.23 : x
  2. Step 2: Convert to fraction form
    112,597.71/155,382.44 = 61,610.23/x
  3. Step 3: Cross multiply
    112,597.71x = 155,382.44 × 61,610.23
  4. Step 4: Simplify right side
    112,597.71x = 9,573,148,177.80
  5. Step 5: Solve for x
    x = 9,573,148,177.80/112,597.71
  6. Step 6: Final answer
    x = 85,020.81

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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.