Home / 50,745.28-70,095.42-38,954.32

Finding the Fourth Proportional to 50,745.28, 70,095.42 and 38,954.32

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Solution

The fourth proportional to 50,745.28, 70,095.42 and 38,954.32 is: 53,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.28 : 70,095.42 = 38,954.32 : x
  2. Step 2: Convert to fraction form
    50,745.28/70,095.42 = 38,954.32/x
  3. Step 3: Cross multiply
    50,745.28x = 70,095.42 × 38,954.32
  4. Step 4: Simplify right side
    50,745.28x = 2,730,519,421.21
  5. Step 5: Solve for x
    x = 2,730,519,421.21/50,745.28
  6. Step 6: Final answer
    x = 53,808.34

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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.