Home / 76,029.23-104,927.81-42,045.68

Finding the Fourth Proportional to 76,029.23, 104,927.81 and 42,045.68

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Solution

The fourth proportional to 76,029.23, 104,927.81 and 42,045.68 is: 58,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.23 : 104,927.81 = 42,045.68 : x
  2. Step 2: Convert to fraction form
    76,029.23/104,927.81 = 42,045.68/x
  3. Step 3: Cross multiply
    76,029.23x = 104,927.81 × 42,045.68
  4. Step 4: Simplify right side
    76,029.23x = 4,411,761,174.45
  5. Step 5: Solve for x
    x = 4,411,761,174.45/76,029.23
  6. Step 6: Final answer
    x = 58,027.17

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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.