Home / 74,004.93-102,126.59-40,013.18

Finding the Fourth Proportional to 74,004.93, 102,126.59 and 40,013.18

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Solution

The fourth proportional to 74,004.93, 102,126.59 and 40,013.18 is: 55,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,004.93 : 102,126.59 = 40,013.18 : x
  2. Step 2: Convert to fraction form
    74,004.93/102,126.59 = 40,013.18/x
  3. Step 3: Cross multiply
    74,004.93x = 102,126.59 × 40,013.18
  4. Step 4: Simplify right side
    74,004.93x = 4,086,409,450.78
  5. Step 5: Solve for x
    x = 4,086,409,450.78/74,004.93
  6. Step 6: Final answer
    x = 55,218.07

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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.