Home / 72,486.07-100,034.93-40,652.48

Finding the Fourth Proportional to 72,486.07, 100,034.93 and 40,652.48

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Solution

The fourth proportional to 72,486.07, 100,034.93 and 40,652.48 is: 56,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,486.07 : 100,034.93 = 40,652.48 : x
  2. Step 2: Convert to fraction form
    72,486.07/100,034.93 = 40,652.48/x
  3. Step 3: Cross multiply
    72,486.07x = 100,034.93 × 40,652.48
  4. Step 4: Simplify right side
    72,486.07x = 4,066,667,991.13
  5. Step 5: Solve for x
    x = 4,066,667,991.13/72,486.07
  6. Step 6: Final answer
    x = 56,102.75

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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.