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Finding the Fourth Proportional to 72,552.06, 100,126.62 and 40,723.11

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Solution

The fourth proportional to 72,552.06, 100,126.62 and 40,723.11 is: 56,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,552.06 : 100,126.62 = 40,723.11 : x
  2. Step 2: Convert to fraction form
    72,552.06/100,126.62 = 40,723.11/x
  3. Step 3: Cross multiply
    72,552.06x = 100,126.62 × 40,723.11
  4. Step 4: Simplify right side
    72,552.06x = 4,077,467,360.19
  5. Step 5: Solve for x
    x = 4,077,467,360.19/72,552.06
  6. Step 6: Final answer
    x = 56,200.57

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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.