Home / 50,835.07-70,152.39-28,479.07

Finding the Fourth Proportional to 50,835.07, 70,152.39 and 28,479.07

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Solution

The fourth proportional to 50,835.07, 70,152.39 and 28,479.07 is: 39,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.07 : 70,152.39 = 28,479.07 : x
  2. Step 2: Convert to fraction form
    50,835.07/70,152.39 = 28,479.07/x
  3. Step 3: Cross multiply
    50,835.07x = 70,152.39 × 28,479.07
  4. Step 4: Simplify right side
    50,835.07x = 1,997,874,825.48
  5. Step 5: Solve for x
    x = 1,997,874,825.48/50,835.07
  6. Step 6: Final answer
    x = 39,301.11

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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.