Home / 74,048.40-102,186.60-40,514.40

Finding the Fourth Proportional to 74,048.40, 102,186.60 and 40,514.40

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Solution

The fourth proportional to 74,048.40, 102,186.60 and 40,514.40 is: 55,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.40 : 102,186.60 = 40,514.40 : x
  2. Step 2: Convert to fraction form
    74,048.40/102,186.60 = 40,514.40/x
  3. Step 3: Cross multiply
    74,048.40x = 102,186.60 × 40,514.40
  4. Step 4: Simplify right side
    74,048.40x = 4,140,028,787.04
  5. Step 5: Solve for x
    x = 4,140,028,787.04/74,048.40
  6. Step 6: Final answer
    x = 55,909.77

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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.