Home / 76,064.24-104,965.80-42,528.08

Finding the Fourth Proportional to 76,064.24, 104,965.80 and 42,528.08

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Solution

The fourth proportional to 76,064.24, 104,965.80 and 42,528.08 is: 58,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,064.24 : 104,965.80 = 42,528.08 : x
  2. Step 2: Convert to fraction form
    76,064.24/104,965.80 = 42,528.08/x
  3. Step 3: Cross multiply
    76,064.24x = 104,965.80 × 42,528.08
  4. Step 4: Simplify right side
    76,064.24x = 4,463,993,939.66
  5. Step 5: Solve for x
    x = 4,463,993,939.66/76,064.24
  6. Step 6: Final answer
    x = 58,687.16

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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.