Home / 77,756.34-116,611.02-21,582.84

Finding the Fourth Proportional to 77,756.34, 116,611.02 and 21,582.84

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Solution

The fourth proportional to 77,756.34, 116,611.02 and 21,582.84 is: 32,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,756.34 : 116,611.02 = 21,582.84 : x
  2. Step 2: Convert to fraction form
    77,756.34/116,611.02 = 21,582.84/x
  3. Step 3: Cross multiply
    77,756.34x = 116,611.02 × 21,582.84
  4. Step 4: Simplify right side
    77,756.34x = 2,516,796,986.90
  5. Step 5: Solve for x
    x = 2,516,796,986.90/77,756.34
  6. Step 6: Final answer
    x = 32,367.74

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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.