Home / 55,666.44-76,818.18-31,789.32

Finding the Fourth Proportional to 55,666.44, 76,818.18 and 31,789.32

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Solution

The fourth proportional to 55,666.44, 76,818.18 and 31,789.32 is: 43,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.44 : 76,818.18 = 31,789.32 : x
  2. Step 2: Convert to fraction form
    55,666.44/76,818.18 = 31,789.32/x
  3. Step 3: Cross multiply
    55,666.44x = 76,818.18 × 31,789.32
  4. Step 4: Simplify right side
    55,666.44x = 2,441,997,705.84
  5. Step 5: Solve for x
    x = 2,441,997,705.84/55,666.44
  6. Step 6: Final answer
    x = 43,868.40

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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.