Home / 103,620.06-142,994.97-58,908.06

Finding the Fourth Proportional to 103,620.06, 142,994.97 and 58,908.06

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Solution

The fourth proportional to 103,620.06, 142,994.97 and 58,908.06 is: 81,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.06 : 142,994.97 = 58,908.06 : x
  2. Step 2: Convert to fraction form
    103,620.06/142,994.97 = 58,908.06/x
  3. Step 3: Cross multiply
    103,620.06x = 142,994.97 × 58,908.06
  4. Step 4: Simplify right side
    103,620.06x = 8,423,556,272.46
  5. Step 5: Solve for x
    x = 8,423,556,272.46/103,620.06
  6. Step 6: Final answer
    x = 81,292.72

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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.