Home / 58,963.14-81,448.74-47,109.60

Finding the Fourth Proportional to 58,963.14, 81,448.74 and 47,109.60

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Solution

The fourth proportional to 58,963.14, 81,448.74 and 47,109.60 is: 65,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,963.14 : 81,448.74 = 47,109.60 : x
  2. Step 2: Convert to fraction form
    58,963.14/81,448.74 = 47,109.60/x
  3. Step 3: Cross multiply
    58,963.14x = 81,448.74 × 47,109.60
  4. Step 4: Simplify right side
    58,963.14x = 3,837,017,561.90
  5. Step 5: Solve for x
    x = 3,837,017,561.90/58,963.14
  6. Step 6: Final answer
    x = 65,074.85

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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.