Home / 72,066.32-99,443.93-41,845.73

Finding the Fourth Proportional to 72,066.32, 99,443.93 and 41,845.73

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Solution

The fourth proportional to 72,066.32, 99,443.93 and 41,845.73 is: 57,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,066.32 : 99,443.93 = 41,845.73 : x
  2. Step 2: Convert to fraction form
    72,066.32/99,443.93 = 41,845.73/x
  3. Step 3: Cross multiply
    72,066.32x = 99,443.93 × 41,845.73
  4. Step 4: Simplify right side
    72,066.32x = 4,161,303,138.47
  5. Step 5: Solve for x
    x = 4,161,303,138.47/72,066.32
  6. Step 6: Final answer
    x = 57,742.69

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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.