Home / 74,155-102,336.44-40,623.16

Finding the Fourth Proportional to 74,155, 102,336.44 and 40,623.16

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Solution

The fourth proportional to 74,155, 102,336.44 and 40,623.16 is: 56,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,155 : 102,336.44 = 40,623.16 : x
  2. Step 2: Convert to fraction form
    74,155/102,336.44 = 40,623.16/x
  3. Step 3: Cross multiply
    74,155x = 102,336.44 × 40,623.16
  4. Step 4: Simplify right side
    74,155x = 4,157,229,575.95
  5. Step 5: Solve for x
    x = 4,157,229,575.95/74,155
  6. Step 6: Final answer
    x = 56,061.35

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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.