Home / 74,081.74-102,232.02-40,089.46

Finding the Fourth Proportional to 74,081.74, 102,232.02 and 40,089.46

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Solution

The fourth proportional to 74,081.74, 102,232.02 and 40,089.46 is: 55,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.74 : 102,232.02 = 40,089.46 : x
  2. Step 2: Convert to fraction form
    74,081.74/102,232.02 = 40,089.46/x
  3. Step 3: Cross multiply
    74,081.74x = 102,232.02 × 40,089.46
  4. Step 4: Simplify right side
    74,081.74x = 4,098,426,476.51
  5. Step 5: Solve for x
    x = 4,098,426,476.51/74,081.74
  6. Step 6: Final answer
    x = 55,323.03

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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.