Home / 74,341.32-102,587.94-40,808.04

Finding the Fourth Proportional to 74,341.32, 102,587.94 and 40,808.04

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Solution

The fourth proportional to 74,341.32, 102,587.94 and 40,808.04 is: 56,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.32 : 102,587.94 = 40,808.04 : x
  2. Step 2: Convert to fraction form
    74,341.32/102,587.94 = 40,808.04/x
  3. Step 3: Cross multiply
    74,341.32x = 102,587.94 × 40,808.04
  4. Step 4: Simplify right side
    74,341.32x = 4,186,412,759.04
  5. Step 5: Solve for x
    x = 4,186,412,759.04/74,341.32
  6. Step 6: Final answer
    x = 56,313.40

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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.