Home / 66,279.15-91,465.14-36,064.41

Finding the Fourth Proportional to 66,279.15, 91,465.14 and 36,064.41

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Solution

The fourth proportional to 66,279.15, 91,465.14 and 36,064.41 is: 49,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.15 : 91,465.14 = 36,064.41 : x
  2. Step 2: Convert to fraction form
    66,279.15/91,465.14 = 36,064.41/x
  3. Step 3: Cross multiply
    66,279.15x = 91,465.14 × 36,064.41
  4. Step 4: Simplify right side
    66,279.15x = 3,298,636,309.67
  5. Step 5: Solve for x
    x = 3,298,636,309.67/66,279.15
  6. Step 6: Final answer
    x = 49,768.84

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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.