Home / 102,561.09-141,541.41-57,247.91

Finding the Fourth Proportional to 102,561.09, 141,541.41 and 57,247.91

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Solution

The fourth proportional to 102,561.09, 141,541.41 and 57,247.91 is: 79,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,561.09 : 141,541.41 = 57,247.91 : x
  2. Step 2: Convert to fraction form
    102,561.09/141,541.41 = 57,247.91/x
  3. Step 3: Cross multiply
    102,561.09x = 141,541.41 × 57,247.91
  4. Step 4: Simplify right side
    102,561.09x = 8,102,949,193.25
  5. Step 5: Solve for x
    x = 8,102,949,193.25/102,561.09
  6. Step 6: Final answer
    x = 79,006.08

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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.