Home / 72,633.32-100,223.07-40,796.12

Finding the Fourth Proportional to 72,633.32, 100,223.07 and 40,796.12

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Solution

The fourth proportional to 72,633.32, 100,223.07 and 40,796.12 is: 56,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633.32 : 100,223.07 = 40,796.12 : x
  2. Step 2: Convert to fraction form
    72,633.32/100,223.07 = 40,796.12/x
  3. Step 3: Cross multiply
    72,633.32x = 100,223.07 × 40,796.12
  4. Step 4: Simplify right side
    72,633.32x = 4,088,712,390.49
  5. Step 5: Solve for x
    x = 4,088,712,390.49/72,633.32
  6. Step 6: Final answer
    x = 56,292.52

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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.