Home / 107,003.08-147,696.98-61,711.26

Finding the Fourth Proportional to 107,003.08, 147,696.98 and 61,711.26

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Solution

The fourth proportional to 107,003.08, 147,696.98 and 61,711.26 is: 85,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,003.08 : 147,696.98 = 61,711.26 : x
  2. Step 2: Convert to fraction form
    107,003.08/147,696.98 = 61,711.26/x
  3. Step 3: Cross multiply
    107,003.08x = 147,696.98 × 61,711.26
  4. Step 4: Simplify right side
    107,003.08x = 9,114,566,733.99
  5. Step 5: Solve for x
    x = 9,114,566,733.99/107,003.08
  6. Step 6: Final answer
    x = 85,180.41

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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.