Home / 57,486.84-86,272.20-29,430.36

Finding the Fourth Proportional to 57,486.84, 86,272.20 and 29,430.36

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Solution

The fourth proportional to 57,486.84, 86,272.20 and 29,430.36 is: 44,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486.84 : 86,272.20 = 29,430.36 : x
  2. Step 2: Convert to fraction form
    57,486.84/86,272.20 = 29,430.36/x
  3. Step 3: Cross multiply
    57,486.84x = 86,272.20 × 29,430.36
  4. Step 4: Simplify right side
    57,486.84x = 2,539,021,903.99
  5. Step 5: Solve for x
    x = 2,539,021,903.99/57,486.84
  6. Step 6: Final answer
    x = 44,167.01

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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.