Home / 55,214.21-76,197.71-31,341.89

Finding the Fourth Proportional to 55,214.21, 76,197.71 and 31,341.89

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Solution

The fourth proportional to 55,214.21, 76,197.71 and 31,341.89 is: 43,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.21 : 76,197.71 = 31,341.89 : x
  2. Step 2: Convert to fraction form
    55,214.21/76,197.71 = 31,341.89/x
  3. Step 3: Cross multiply
    55,214.21x = 76,197.71 × 31,341.89
  4. Step 4: Simplify right side
    55,214.21x = 2,388,180,088.36
  5. Step 5: Solve for x
    x = 2,388,180,088.36/55,214.21
  6. Step 6: Final answer
    x = 43,253.00

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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.