Home / 104,658.89-144,378.51-62,187.35

Finding the Fourth Proportional to 104,658.89, 144,378.51 and 62,187.35

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Solution

The fourth proportional to 104,658.89, 144,378.51 and 62,187.35 is: 85,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.89 : 144,378.51 = 62,187.35 : x
  2. Step 2: Convert to fraction form
    104,658.89/144,378.51 = 62,187.35/x
  3. Step 3: Cross multiply
    104,658.89x = 144,378.51 × 62,187.35
  4. Step 4: Simplify right side
    104,658.89x = 8,978,516,933.85
  5. Step 5: Solve for x
    x = 8,978,516,933.85/104,658.89
  6. Step 6: Final answer
    x = 85,788.38

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1.5x scale

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.