Home / 77,328.24-106,720.48-43,342.48

Finding the Fourth Proportional to 77,328.24, 106,720.48 and 43,342.48

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Solution

The fourth proportional to 77,328.24, 106,720.48 and 43,342.48 is: 59,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,328.24 : 106,720.48 = 43,342.48 : x
  2. Step 2: Convert to fraction form
    77,328.24/106,720.48 = 43,342.48/x
  3. Step 3: Cross multiply
    77,328.24x = 106,720.48 × 43,342.48
  4. Step 4: Simplify right side
    77,328.24x = 4,625,530,269.99
  5. Step 5: Solve for x
    x = 4,625,530,269.99/77,328.24
  6. Step 6: Final answer
    x = 59,816.83

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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.