Home / 71,268.99-98,237.91-56,137.69

Finding the Fourth Proportional to 71,268.99, 98,237.91 and 56,137.69

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Solution

The fourth proportional to 71,268.99, 98,237.91 and 56,137.69 is: 77,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,268.99 : 98,237.91 = 56,137.69 : x
  2. Step 2: Convert to fraction form
    71,268.99/98,237.91 = 56,137.69/x
  3. Step 3: Cross multiply
    71,268.99x = 98,237.91 × 56,137.69
  4. Step 4: Simplify right side
    71,268.99x = 5,514,849,337.83
  5. Step 5: Solve for x
    x = 5,514,849,337.83/71,268.99
  6. Step 6: Final answer
    x = 77,380.77

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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.