Home / 50,763.07-70,052.20-28,101.60

Finding the Fourth Proportional to 50,763.07, 70,052.20 and 28,101.60

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Solution

The fourth proportional to 50,763.07, 70,052.20 and 28,101.60 is: 38,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.07 : 70,052.20 = 28,101.60 : x
  2. Step 2: Convert to fraction form
    50,763.07/70,052.20 = 28,101.60/x
  3. Step 3: Cross multiply
    50,763.07x = 70,052.20 × 28,101.60
  4. Step 4: Simplify right side
    50,763.07x = 1,968,578,483.01
  5. Step 5: Solve for x
    x = 1,968,578,483.01/50,763.07
  6. Step 6: Final answer
    x = 38,779.74

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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.