Home / 85,562.74-118,029.18-49,748.79

Finding the Fourth Proportional to 85,562.74, 118,029.18 and 49,748.79

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Solution

The fourth proportional to 85,562.74, 118,029.18 and 49,748.79 is: 68,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.74 : 118,029.18 = 49,748.79 : x
  2. Step 2: Convert to fraction form
    85,562.74/118,029.18 = 49,748.79/x
  3. Step 3: Cross multiply
    85,562.74x = 118,029.18 × 49,748.79
  4. Step 4: Simplify right side
    85,562.74x = 5,871,808,889.69
  5. Step 5: Solve for x
    x = 5,871,808,889.69/85,562.74
  6. Step 6: Final answer
    x = 68,625.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.