Home / 72,296.24-99,767.82-40,465.12

Finding the Fourth Proportional to 72,296.24, 99,767.82 and 40,465.12

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Solution

The fourth proportional to 72,296.24, 99,767.82 and 40,465.12 is: 55,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.24 : 99,767.82 = 40,465.12 : x
  2. Step 2: Convert to fraction form
    72,296.24/99,767.82 = 40,465.12/x
  3. Step 3: Cross multiply
    72,296.24x = 99,767.82 × 40,465.12
  4. Step 4: Simplify right side
    72,296.24x = 4,037,116,808.44
  5. Step 5: Solve for x
    x = 4,037,116,808.44/72,296.24
  6. Step 6: Final answer
    x = 55,841.31

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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.