Home / 102,847.93-141,943.28-57,528.43

Finding the Fourth Proportional to 102,847.93, 141,943.28 and 57,528.43

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Solution

The fourth proportional to 102,847.93, 141,943.28 and 57,528.43 is: 79,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.93 : 141,943.28 = 57,528.43 : x
  2. Step 2: Convert to fraction form
    102,847.93/141,943.28 = 57,528.43/x
  3. Step 3: Cross multiply
    102,847.93x = 141,943.28 × 57,528.43
  4. Step 4: Simplify right side
    102,847.93x = 8,165,774,047.45
  5. Step 5: Solve for x
    x = 8,165,774,047.45/102,847.93
  6. Step 6: Final answer
    x = 79,396.58

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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.