Home / 103,627.08-143,002.26-58,307.58

Finding the Fourth Proportional to 103,627.08, 143,002.26 and 58,307.58

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Solution

The fourth proportional to 103,627.08, 143,002.26 and 58,307.58 is: 80,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.08 : 143,002.26 = 58,307.58 : x
  2. Step 2: Convert to fraction form
    103,627.08/143,002.26 = 58,307.58/x
  3. Step 3: Cross multiply
    103,627.08x = 143,002.26 × 58,307.58
  4. Step 4: Simplify right side
    103,627.08x = 8,338,115,715.13
  5. Step 5: Solve for x
    x = 8,338,115,715.13/103,627.08
  6. Step 6: Final answer
    x = 80,462.71

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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.