Home / 77,327.84-106,707.37-45,490.59

Finding the Fourth Proportional to 77,327.84, 106,707.37 and 45,490.59

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Solution

The fourth proportional to 77,327.84, 106,707.37 and 45,490.59 is: 62,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.84 : 106,707.37 = 45,490.59 : x
  2. Step 2: Convert to fraction form
    77,327.84/106,707.37 = 45,490.59/x
  3. Step 3: Cross multiply
    77,327.84x = 106,707.37 × 45,490.59
  4. Step 4: Simplify right side
    77,327.84x = 4,854,181,218.65
  5. Step 5: Solve for x
    x = 4,854,181,218.65/77,327.84
  6. Step 6: Final answer
    x = 62,774.04

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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.