Home / 48,700.10-72,994.84-20,602.62

Finding the Fourth Proportional to 48,700.10, 72,994.84 and 20,602.62

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Solution

The fourth proportional to 48,700.10, 72,994.84 and 20,602.62 is: 30,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.10 : 72,994.84 = 20,602.62 : x
  2. Step 2: Convert to fraction form
    48,700.10/72,994.84 = 20,602.62/x
  3. Step 3: Cross multiply
    48,700.10x = 72,994.84 × 20,602.62
  4. Step 4: Simplify right side
    48,700.10x = 1,503,884,898.97
  5. Step 5: Solve for x
    x = 1,503,884,898.97/48,700.10
  6. Step 6: Final answer
    x = 30,880.53

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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.