Home / 57,985.04-86,852.58-39,161.56

Finding the Fourth Proportional to 57,985.04, 86,852.58 and 39,161.56

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Solution

The fourth proportional to 57,985.04, 86,852.58 and 39,161.56 is: 58,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985.04 : 86,852.58 = 39,161.56 : x
  2. Step 2: Convert to fraction form
    57,985.04/86,852.58 = 39,161.56/x
  3. Step 3: Cross multiply
    57,985.04x = 86,852.58 × 39,161.56
  4. Step 4: Simplify right side
    57,985.04x = 3,401,282,522.82
  5. Step 5: Solve for x
    x = 3,401,282,522.82/57,985.04
  6. Step 6: Final answer
    x = 58,657.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.