Home / 50,737.16-76,112.47-18,711.92

Finding the Fourth Proportional to 50,737.16, 76,112.47 and 18,711.92

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Solution

The fourth proportional to 50,737.16, 76,112.47 and 18,711.92 is: 28,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,737.16 : 76,112.47 = 18,711.92 : x
  2. Step 2: Convert to fraction form
    50,737.16/76,112.47 = 18,711.92/x
  3. Step 3: Cross multiply
    50,737.16x = 76,112.47 × 18,711.92
  4. Step 4: Simplify right side
    50,737.16x = 1,424,210,496.63
  5. Step 5: Solve for x
    x = 1,424,210,496.63/50,737.16
  6. Step 6: Final answer
    x = 28,070.36

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1.5x scale

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.