Home / 55,918.50-77,167.53-30,767.46

Finding the Fourth Proportional to 55,918.50, 77,167.53 and 30,767.46

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Solution

The fourth proportional to 55,918.50, 77,167.53 and 30,767.46 is: 42,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.50 : 77,167.53 = 30,767.46 : x
  2. Step 2: Convert to fraction form
    55,918.50/77,167.53 = 30,767.46/x
  3. Step 3: Cross multiply
    55,918.50x = 77,167.53 × 30,767.46
  4. Step 4: Simplify right side
    55,918.50x = 2,374,248,892.57
  5. Step 5: Solve for x
    x = 2,374,248,892.57/55,918.50
  6. Step 6: Final answer
    x = 42,459.09

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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.