Home / 77,967.02-116,932.64-21,811.10

Finding the Fourth Proportional to 77,967.02, 116,932.64 and 21,811.10

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Solution

The fourth proportional to 77,967.02, 116,932.64 and 21,811.10 is: 32,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.02 : 116,932.64 = 21,811.10 : x
  2. Step 2: Convert to fraction form
    77,967.02/116,932.64 = 21,811.10/x
  3. Step 3: Cross multiply
    77,967.02x = 116,932.64 × 21,811.10
  4. Step 4: Simplify right side
    77,967.02x = 2,550,428,810.59
  5. Step 5: Solve for x
    x = 2,550,428,810.59/77,967.02
  6. Step 6: Final answer
    x = 32,711.64

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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.