Home / 74,501.16-102,782.52-42,653.04

Finding the Fourth Proportional to 74,501.16, 102,782.52 and 42,653.04

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Solution

The fourth proportional to 74,501.16, 102,782.52 and 42,653.04 is: 58,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.16 : 102,782.52 = 42,653.04 : x
  2. Step 2: Convert to fraction form
    74,501.16/102,782.52 = 42,653.04/x
  3. Step 3: Cross multiply
    74,501.16x = 102,782.52 × 42,653.04
  4. Step 4: Simplify right side
    74,501.16x = 4,383,986,936.86
  5. Step 5: Solve for x
    x = 4,383,986,936.86/74,501.16
  6. Step 6: Final answer
    x = 58,844.55

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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.