Home / 50,946.10-76,419.15-45,502.90

Finding the Fourth Proportional to 50,946.10, 76,419.15 and 45,502.90

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Solution

The fourth proportional to 50,946.10, 76,419.15 and 45,502.90 is: 68,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,946.10 : 76,419.15 = 45,502.90 : x
  2. Step 2: Convert to fraction form
    50,946.10/76,419.15 = 45,502.90/x
  3. Step 3: Cross multiply
    50,946.10x = 76,419.15 × 45,502.90
  4. Step 4: Simplify right side
    50,946.10x = 3,477,292,940.54
  5. Step 5: Solve for x
    x = 3,477,292,940.54/50,946.10
  6. Step 6: Final answer
    x = 68,254.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.