Home / 77,762.34-116,620.02-21,588.84

Finding the Fourth Proportional to 77,762.34, 116,620.02 and 21,588.84

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Solution

The fourth proportional to 77,762.34, 116,620.02 and 21,588.84 is: 32,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762.34 : 116,620.02 = 21,588.84 : x
  2. Step 2: Convert to fraction form
    77,762.34/116,620.02 = 21,588.84/x
  3. Step 3: Cross multiply
    77,762.34x = 116,620.02 × 21,588.84
  4. Step 4: Simplify right side
    77,762.34x = 2,517,690,952.58
  5. Step 5: Solve for x
    x = 2,517,690,952.58/77,762.34
  6. Step 6: Final answer
    x = 32,376.74

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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.