Home / 72,336.77-99,833.27-40,499.52

Finding the Fourth Proportional to 72,336.77, 99,833.27 and 40,499.52

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Solution

The fourth proportional to 72,336.77, 99,833.27 and 40,499.52 is: 55,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.77 : 99,833.27 = 40,499.52 : x
  2. Step 2: Convert to fraction form
    72,336.77/99,833.27 = 40,499.52/x
  3. Step 3: Cross multiply
    72,336.77x = 99,833.27 × 40,499.52
  4. Step 4: Simplify right side
    72,336.77x = 4,043,199,515.03
  5. Step 5: Solve for x
    x = 4,043,199,515.03/72,336.77
  6. Step 6: Final answer
    x = 55,894.11

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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.