Home / 50,403.61-69,545.12-42,367.81

Finding the Fourth Proportional to 50,403.61, 69,545.12 and 42,367.81

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Solution

The fourth proportional to 50,403.61, 69,545.12 and 42,367.81 is: 58,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,403.61 : 69,545.12 = 42,367.81 : x
  2. Step 2: Convert to fraction form
    50,403.61/69,545.12 = 42,367.81/x
  3. Step 3: Cross multiply
    50,403.61x = 69,545.12 × 42,367.81
  4. Step 4: Simplify right side
    50,403.61x = 2,946,474,218.75
  5. Step 5: Solve for x
    x = 2,946,474,218.75/50,403.61
  6. Step 6: Final answer
    x = 58,457.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.