Home / 74,009.93-102,133.48-40,018.18

Finding the Fourth Proportional to 74,009.93, 102,133.48 and 40,018.18

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Solution

The fourth proportional to 74,009.93, 102,133.48 and 40,018.18 is: 55,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.93 : 102,133.48 = 40,018.18 : x
  2. Step 2: Convert to fraction form
    74,009.93/102,133.48 = 40,018.18/x
  3. Step 3: Cross multiply
    74,009.93x = 102,133.48 × 40,018.18
  4. Step 4: Simplify right side
    74,009.93x = 4,087,195,986.67
  5. Step 5: Solve for x
    x = 4,087,195,986.67/74,009.93
  6. Step 6: Final answer
    x = 55,224.97

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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.