Home / 104,811.57-144,627.44-61,758.45

Finding the Fourth Proportional to 104,811.57, 144,627.44 and 61,758.45

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Solution

The fourth proportional to 104,811.57, 144,627.44 and 61,758.45 is: 85,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.57 : 144,627.44 = 61,758.45 : x
  2. Step 2: Convert to fraction form
    104,811.57/144,627.44 = 61,758.45/x
  3. Step 3: Cross multiply
    104,811.57x = 144,627.44 × 61,758.45
  4. Step 4: Simplify right side
    104,811.57x = 8,931,965,953.13
  5. Step 5: Solve for x
    x = 8,931,965,953.13/104,811.57
  6. Step 6: Final answer
    x = 85,219.28

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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.