Home / 77,276.29-106,640.02-43,284.69

Finding the Fourth Proportional to 77,276.29, 106,640.02 and 43,284.69

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Solution

The fourth proportional to 77,276.29, 106,640.02 and 43,284.69 is: 59,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.29 : 106,640.02 = 43,284.69 : x
  2. Step 2: Convert to fraction form
    77,276.29/106,640.02 = 43,284.69/x
  3. Step 3: Cross multiply
    77,276.29x = 106,640.02 × 43,284.69
  4. Step 4: Simplify right side
    77,276.29x = 4,615,879,839.74
  5. Step 5: Solve for x
    x = 4,615,879,839.74/77,276.29
  6. Step 6: Final answer
    x = 59,732.16

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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.