Home / 66,484.35-99,786.51-45,085.23

Finding the Fourth Proportional to 66,484.35, 99,786.51 and 45,085.23

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Solution

The fourth proportional to 66,484.35, 99,786.51 and 45,085.23 is: 67,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.35 : 99,786.51 = 45,085.23 : x
  2. Step 2: Convert to fraction form
    66,484.35/99,786.51 = 45,085.23/x
  3. Step 3: Cross multiply
    66,484.35x = 99,786.51 × 45,085.23
  4. Step 4: Simplify right side
    66,484.35x = 4,498,897,754.25
  5. Step 5: Solve for x
    x = 4,498,897,754.25/66,484.35
  6. Step 6: Final answer
    x = 67,668.52

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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.