Home / 48,620.93-72,931.40-15,343.59

Finding the Fourth Proportional to 48,620.93, 72,931.40 and 15,343.59

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Solution

The fourth proportional to 48,620.93, 72,931.40 and 15,343.59 is: 23,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.93 : 72,931.40 = 15,343.59 : x
  2. Step 2: Convert to fraction form
    48,620.93/72,931.40 = 15,343.59/x
  3. Step 3: Cross multiply
    48,620.93x = 72,931.40 × 15,343.59
  4. Step 4: Simplify right side
    48,620.93x = 1,119,029,173.43
  5. Step 5: Solve for x
    x = 1,119,029,173.43/48,620.93
  6. Step 6: Final answer
    x = 23,015.38

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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.