Home / 73,981.56-102,094.38-42,149.64

Finding the Fourth Proportional to 73,981.56, 102,094.38 and 42,149.64

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Solution

The fourth proportional to 73,981.56, 102,094.38 and 42,149.64 is: 58,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,981.56 : 102,094.38 = 42,149.64 : x
  2. Step 2: Convert to fraction form
    73,981.56/102,094.38 = 42,149.64/x
  3. Step 3: Cross multiply
    73,981.56x = 102,094.38 × 42,149.64
  4. Step 4: Simplify right side
    73,981.56x = 4,303,241,363.02
  5. Step 5: Solve for x
    x = 4,303,241,363.02/73,981.56
  6. Step 6: Final answer
    x = 58,166.40

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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.