Home / 50,871.33-70,195.86-28,210.14

Finding the Fourth Proportional to 50,871.33, 70,195.86 and 28,210.14

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Solution

The fourth proportional to 50,871.33, 70,195.86 and 28,210.14 is: 38,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.33 : 70,195.86 = 28,210.14 : x
  2. Step 2: Convert to fraction form
    50,871.33/70,195.86 = 28,210.14/x
  3. Step 3: Cross multiply
    50,871.33x = 70,195.86 × 28,210.14
  4. Step 4: Simplify right side
    50,871.33x = 1,980,235,038.02
  5. Step 5: Solve for x
    x = 1,980,235,038.02/50,871.33
  6. Step 6: Final answer
    x = 38,926.35

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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.