Home / 72,295.94-99,768.38-40,464.83

Finding the Fourth Proportional to 72,295.94, 99,768.38 and 40,464.83

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Solution

The fourth proportional to 72,295.94, 99,768.38 and 40,464.83 is: 55,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295.94 : 99,768.38 = 40,464.83 : x
  2. Step 2: Convert to fraction form
    72,295.94/99,768.38 = 40,464.83/x
  3. Step 3: Cross multiply
    72,295.94x = 99,768.38 × 40,464.83
  4. Step 4: Simplify right side
    72,295.94x = 4,037,110,333.75
  5. Step 5: Solve for x
    x = 4,037,110,333.75/72,295.94
  6. Step 6: Final answer
    x = 55,841.45

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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.