Home / 73,989.09-102,094.77-42,151.86

Finding the Fourth Proportional to 73,989.09, 102,094.77 and 42,151.86

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Solution

The fourth proportional to 73,989.09, 102,094.77 and 42,151.86 is: 58,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989.09 : 102,094.77 = 42,151.86 : x
  2. Step 2: Convert to fraction form
    73,989.09/102,094.77 = 42,151.86/x
  3. Step 3: Cross multiply
    73,989.09x = 102,094.77 × 42,151.86
  4. Step 4: Simplify right side
    73,989.09x = 4,303,484,451.77
  5. Step 5: Solve for x
    x = 4,303,484,451.77/73,989.09
  6. Step 6: Final answer
    x = 58,163.77

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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.