Home / 103,847.55-143,357.45-60,821.07

Finding the Fourth Proportional to 103,847.55, 143,357.45 and 60,821.07

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Solution

The fourth proportional to 103,847.55, 143,357.45 and 60,821.07 is: 83,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.55 : 143,357.45 = 60,821.07 : x
  2. Step 2: Convert to fraction form
    103,847.55/143,357.45 = 60,821.07/x
  3. Step 3: Cross multiply
    103,847.55x = 143,357.45 × 60,821.07
  4. Step 4: Simplify right side
    103,847.55x = 8,719,152,936.74
  5. Step 5: Solve for x
    x = 8,719,152,936.74/103,847.55
  6. Step 6: Final answer
    x = 83,961.09

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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.