Home / 50,785.51-70,084.20-28,124.01

Finding the Fourth Proportional to 50,785.51, 70,084.20 and 28,124.01

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Solution

The fourth proportional to 50,785.51, 70,084.20 and 28,124.01 is: 38,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.51 : 70,084.20 = 28,124.01 : x
  2. Step 2: Convert to fraction form
    50,785.51/70,084.20 = 28,124.01/x
  3. Step 3: Cross multiply
    50,785.51x = 70,084.20 × 28,124.01
  4. Step 4: Simplify right side
    50,785.51x = 1,971,048,391.22
  5. Step 5: Solve for x
    x = 1,971,048,391.22/50,785.51
  6. Step 6: Final answer
    x = 38,811.24

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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.