Home / 55,461.24-76,536.42-31,587.90

Finding the Fourth Proportional to 55,461.24, 76,536.42 and 31,587.90

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Solution

The fourth proportional to 55,461.24, 76,536.42 and 31,587.90 is: 43,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.24 : 76,536.42 = 31,587.90 : x
  2. Step 2: Convert to fraction form
    55,461.24/76,536.42 = 31,587.90/x
  3. Step 3: Cross multiply
    55,461.24x = 76,536.42 × 31,587.90
  4. Step 4: Simplify right side
    55,461.24x = 2,417,624,781.32
  5. Step 5: Solve for x
    x = 2,417,624,781.32/55,461.24
  6. Step 6: Final answer
    x = 43,591.25

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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.