Home / 57,404.21-86,090.70-36,312.59

Finding the Fourth Proportional to 57,404.21, 86,090.70 and 36,312.59

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Solution

The fourth proportional to 57,404.21, 86,090.70 and 36,312.59 is: 54,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.21 : 86,090.70 = 36,312.59 : x
  2. Step 2: Convert to fraction form
    57,404.21/86,090.70 = 36,312.59/x
  3. Step 3: Cross multiply
    57,404.21x = 86,090.70 × 36,312.59
  4. Step 4: Simplify right side
    57,404.21x = 3,126,176,291.91
  5. Step 5: Solve for x
    x = 3,126,176,291.91/57,404.21
  6. Step 6: Final answer
    x = 54,459.01

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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.