Home / 103,644.73-143,030.34-58,323.47

Finding the Fourth Proportional to 103,644.73, 143,030.34 and 58,323.47

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Solution

The fourth proportional to 103,644.73, 143,030.34 and 58,323.47 is: 80,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,644.73 : 143,030.34 = 58,323.47 : x
  2. Step 2: Convert to fraction form
    103,644.73/143,030.34 = 58,323.47/x
  3. Step 3: Cross multiply
    103,644.73x = 143,030.34 × 58,323.47
  4. Step 4: Simplify right side
    103,644.73x = 8,342,025,744.08
  5. Step 5: Solve for x
    x = 8,342,025,744.08/103,644.73
  6. Step 6: Final answer
    x = 80,486.73

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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.