Home / 83,627.04-115,408.40-45,900.96

Finding the Fourth Proportional to 83,627.04, 115,408.40 and 45,900.96

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Solution

The fourth proportional to 83,627.04, 115,408.40 and 45,900.96 is: 63,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.04 : 115,408.40 = 45,900.96 : x
  2. Step 2: Convert to fraction form
    83,627.04/115,408.40 = 45,900.96/x
  3. Step 3: Cross multiply
    83,627.04x = 115,408.40 × 45,900.96
  4. Step 4: Simplify right side
    83,627.04x = 5,297,356,352.06
  5. Step 5: Solve for x
    x = 5,297,356,352.06/83,627.04
  6. Step 6: Final answer
    x = 63,345.02

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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.