Home / 86,475.24-129,723.48-29,558.56

Finding the Fourth Proportional to 86,475.24, 129,723.48 and 29,558.56

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Solution

The fourth proportional to 86,475.24, 129,723.48 and 29,558.56 is: 44,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.24 : 129,723.48 = 29,558.56 : x
  2. Step 2: Convert to fraction form
    86,475.24/129,723.48 = 29,558.56/x
  3. Step 3: Cross multiply
    86,475.24x = 129,723.48 × 29,558.56
  4. Step 4: Simplify right side
    86,475.24x = 3,834,439,266.99
  5. Step 5: Solve for x
    x = 3,834,439,266.99/86,475.24
  6. Step 6: Final answer
    x = 44,341.47

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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.