Home / 74,522.51-102,842.38-40,531.74

Finding the Fourth Proportional to 74,522.51, 102,842.38 and 40,531.74

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Solution

The fourth proportional to 74,522.51, 102,842.38 and 40,531.74 is: 55,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.51 : 102,842.38 = 40,531.74 : x
  2. Step 2: Convert to fraction form
    74,522.51/102,842.38 = 40,531.74/x
  3. Step 3: Cross multiply
    74,522.51x = 102,842.38 × 40,531.74
  4. Step 4: Simplify right side
    74,522.51x = 4,168,380,964.63
  5. Step 5: Solve for x
    x = 4,168,380,964.63/74,522.51
  6. Step 6: Final answer
    x = 55,934.52

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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.