Home / 58,818.24-81,172.80-33,667.20

Finding the Fourth Proportional to 58,818.24, 81,172.80 and 33,667.20

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Solution

The fourth proportional to 58,818.24, 81,172.80 and 33,667.20 is: 46,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,818.24 : 81,172.80 = 33,667.20 : x
  2. Step 2: Convert to fraction form
    58,818.24/81,172.80 = 33,667.20/x
  3. Step 3: Cross multiply
    58,818.24x = 81,172.80 × 33,667.20
  4. Step 4: Simplify right side
    58,818.24x = 2,732,860,892.16
  5. Step 5: Solve for x
    x = 2,732,860,892.16/58,818.24
  6. Step 6: Final answer
    x = 46,462.81

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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.