Home / 55,562.80-76,657.60-31,672.24

Finding the Fourth Proportional to 55,562.80, 76,657.60 and 31,672.24

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Solution

The fourth proportional to 55,562.80, 76,657.60 and 31,672.24 is: 43,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.80 : 76,657.60 = 31,672.24 : x
  2. Step 2: Convert to fraction form
    55,562.80/76,657.60 = 31,672.24/x
  3. Step 3: Cross multiply
    55,562.80x = 76,657.60 × 31,672.24
  4. Step 4: Simplify right side
    55,562.80x = 2,427,917,905.02
  5. Step 5: Solve for x
    x = 2,427,917,905.02/55,562.80
  6. Step 6: Final answer
    x = 43,696.82

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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.