Home / 72,455.24-99,993.08-40,626.20

Finding the Fourth Proportional to 72,455.24, 99,993.08 and 40,626.20

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Solution

The fourth proportional to 72,455.24, 99,993.08 and 40,626.20 is: 56,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.24 : 99,993.08 = 40,626.20 : x
  2. Step 2: Convert to fraction form
    72,455.24/99,993.08 = 40,626.20/x
  3. Step 3: Cross multiply
    72,455.24x = 99,993.08 × 40,626.20
  4. Step 4: Simplify right side
    72,455.24x = 4,062,338,866.70
  5. Step 5: Solve for x
    x = 4,062,338,866.70/72,455.24
  6. Step 6: Final answer
    x = 56,066.87

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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.