Home / 53,715.91-80,703.87-47,417.35

Finding the Fourth Proportional to 53,715.91, 80,703.87 and 47,417.35

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Solution

The fourth proportional to 53,715.91, 80,703.87 and 47,417.35 is: 71,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.91 : 80,703.87 = 47,417.35 : x
  2. Step 2: Convert to fraction form
    53,715.91/80,703.87 = 47,417.35/x
  3. Step 3: Cross multiply
    53,715.91x = 80,703.87 × 47,417.35
  4. Step 4: Simplify right side
    53,715.91x = 3,826,763,650.14
  5. Step 5: Solve for x
    x = 3,826,763,650.14/53,715.91
  6. Step 6: Final answer
    x = 71,240.79

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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.