Home / 80,731.39-121,123.02-24,582.37

Finding the Fourth Proportional to 80,731.39, 121,123.02 and 24,582.37

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Solution

The fourth proportional to 80,731.39, 121,123.02 and 24,582.37 is: 36,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,731.39 : 121,123.02 = 24,582.37 : x
  2. Step 2: Convert to fraction form
    80,731.39/121,123.02 = 24,582.37/x
  3. Step 3: Cross multiply
    80,731.39x = 121,123.02 × 24,582.37
  4. Step 4: Simplify right side
    80,731.39x = 2,977,490,893.16
  5. Step 5: Solve for x
    x = 2,977,490,893.16/80,731.39
  6. Step 6: Final answer
    x = 36,881.45

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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.