Home / 57,771.10-86,598.33-31,421.26

Finding the Fourth Proportional to 57,771.10, 86,598.33 and 31,421.26

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Solution

The fourth proportional to 57,771.10, 86,598.33 and 31,421.26 is: 47,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.10 : 86,598.33 = 31,421.26 : x
  2. Step 2: Convert to fraction form
    57,771.10/86,598.33 = 31,421.26/x
  3. Step 3: Cross multiply
    57,771.10x = 86,598.33 × 31,421.26
  4. Step 4: Simplify right side
    57,771.10x = 2,721,028,642.50
  5. Step 5: Solve for x
    x = 2,721,028,642.50/57,771.10
  6. Step 6: Final answer
    x = 47,100.17

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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.