Home / 103,627.96-143,010.97-58,307.85

Finding the Fourth Proportional to 103,627.96, 143,010.97 and 58,307.85

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Solution

The fourth proportional to 103,627.96, 143,010.97 and 58,307.85 is: 80,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.96 : 143,010.97 = 58,307.85 : x
  2. Step 2: Convert to fraction form
    103,627.96/143,010.97 = 58,307.85/x
  3. Step 3: Cross multiply
    103,627.96x = 143,010.97 × 58,307.85
  4. Step 4: Simplify right side
    103,627.96x = 8,338,662,041.34
  5. Step 5: Solve for x
    x = 8,338,662,041.34/103,627.96
  6. Step 6: Final answer
    x = 80,467.30

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1.5x scale

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.