Home / 77,445.16-116,169.02-21,284.92

Finding the Fourth Proportional to 77,445.16, 116,169.02 and 21,284.92

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Solution

The fourth proportional to 77,445.16, 116,169.02 and 21,284.92 is: 31,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445.16 : 116,169.02 = 21,284.92 : x
  2. Step 2: Convert to fraction form
    77,445.16/116,169.02 = 21,284.92/x
  3. Step 3: Cross multiply
    77,445.16x = 116,169.02 × 21,284.92
  4. Step 4: Simplify right side
    77,445.16x = 2,472,648,297.18
  5. Step 5: Solve for x
    x = 2,472,648,297.18/77,445.16
  6. Step 6: Final answer
    x = 31,927.73

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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.