Home / 50,835.06-70,155-28,176.48

Finding the Fourth Proportional to 50,835.06, 70,155 and 28,176.48

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Solution

The fourth proportional to 50,835.06, 70,155 and 28,176.48 is: 38,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.06 : 70,155 = 28,176.48 : x
  2. Step 2: Convert to fraction form
    50,835.06/70,155 = 28,176.48/x
  3. Step 3: Cross multiply
    50,835.06x = 70,155 × 28,176.48
  4. Step 4: Simplify right side
    50,835.06x = 1,976,720,954.40
  5. Step 5: Solve for x
    x = 1,976,720,954.40/50,835.06
  6. Step 6: Final answer
    x = 38,884.99

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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.