Home / 48,124.99-72,139.01-20,060.57

Finding the Fourth Proportional to 48,124.99, 72,139.01 and 20,060.57

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Solution

The fourth proportional to 48,124.99, 72,139.01 and 20,060.57 is: 30,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.99 : 72,139.01 = 20,060.57 : x
  2. Step 2: Convert to fraction form
    48,124.99/72,139.01 = 20,060.57/x
  3. Step 3: Cross multiply
    48,124.99x = 72,139.01 × 20,060.57
  4. Step 4: Simplify right side
    48,124.99x = 1,447,149,659.84
  5. Step 5: Solve for x
    x = 1,447,149,659.84/48,124.99
  6. Step 6: Final answer
    x = 30,070.65

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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.