Home / 76,037.66-104,922.81-42,041.56

Finding the Fourth Proportional to 76,037.66, 104,922.81 and 42,041.56

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Solution

The fourth proportional to 76,037.66, 104,922.81 and 42,041.56 is: 58,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,037.66 : 104,922.81 = 42,041.56 : x
  2. Step 2: Convert to fraction form
    76,037.66/104,922.81 = 42,041.56/x
  3. Step 3: Cross multiply
    76,037.66x = 104,922.81 × 42,041.56
  4. Step 4: Simplify right side
    76,037.66x = 4,411,118,611.98
  5. Step 5: Solve for x
    x = 4,411,118,611.98/76,037.66
  6. Step 6: Final answer
    x = 58,012.29

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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.