Home / 55,631.97-76,782.20-35,495.10

Finding the Fourth Proportional to 55,631.97, 76,782.20 and 35,495.10

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Solution

The fourth proportional to 55,631.97, 76,782.20 and 35,495.10 is: 48,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.97 : 76,782.20 = 35,495.10 : x
  2. Step 2: Convert to fraction form
    55,631.97/76,782.20 = 35,495.10/x
  3. Step 3: Cross multiply
    55,631.97x = 76,782.20 × 35,495.10
  4. Step 4: Simplify right side
    55,631.97x = 2,725,391,689.74
  5. Step 5: Solve for x
    x = 2,725,391,689.74/55,631.97
  6. Step 6: Final answer
    x = 48,989.67

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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.