Home / 53,790.30-80,341.29-48,716.91

Finding the Fourth Proportional to 53,790.30, 80,341.29 and 48,716.91

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Solution

The fourth proportional to 53,790.30, 80,341.29 and 48,716.91 is: 72,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.30 : 80,341.29 = 48,716.91 : x
  2. Step 2: Convert to fraction form
    53,790.30/80,341.29 = 48,716.91/x
  3. Step 3: Cross multiply
    53,790.30x = 80,341.29 × 48,716.91
  4. Step 4: Simplify right side
    53,790.30x = 3,913,979,394.21
  5. Step 5: Solve for x
    x = 3,913,979,394.21/53,790.30
  6. Step 6: Final answer
    x = 72,763.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.