Home / 57,899.48-86,717.99-45,341.24

Finding the Fourth Proportional to 57,899.48, 86,717.99 and 45,341.24

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Solution

The fourth proportional to 57,899.48, 86,717.99 and 45,341.24 is: 67,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,899.48 : 86,717.99 = 45,341.24 : x
  2. Step 2: Convert to fraction form
    57,899.48/86,717.99 = 45,341.24/x
  3. Step 3: Cross multiply
    57,899.48x = 86,717.99 × 45,341.24
  4. Step 4: Simplify right side
    57,899.48x = 3,931,900,876.67
  5. Step 5: Solve for x
    x = 3,931,900,876.67/57,899.48
  6. Step 6: Final answer
    x = 67,909.09

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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.