Home / 74,118.58-102,284.85-40,582.42

Finding the Fourth Proportional to 74,118.58, 102,284.85 and 40,582.42

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Solution

The fourth proportional to 74,118.58, 102,284.85 and 40,582.42 is: 56,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.58 : 102,284.85 = 40,582.42 : x
  2. Step 2: Convert to fraction form
    74,118.58/102,284.85 = 40,582.42/x
  3. Step 3: Cross multiply
    74,118.58x = 102,284.85 × 40,582.42
  4. Step 4: Simplify right side
    74,118.58x = 4,150,966,742.34
  5. Step 5: Solve for x
    x = 4,150,966,742.34/74,118.58
  6. Step 6: Final answer
    x = 56,004.40

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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.