Home / 50,870.54-70,202.18-28,210.48

Finding the Fourth Proportional to 50,870.54, 70,202.18 and 28,210.48

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Solution

The fourth proportional to 50,870.54, 70,202.18 and 28,210.48 is: 38,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.54 : 70,202.18 = 28,210.48 : x
  2. Step 2: Convert to fraction form
    50,870.54/70,202.18 = 28,210.48/x
  3. Step 3: Cross multiply
    50,870.54x = 70,202.18 × 28,210.48
  4. Step 4: Simplify right side
    50,870.54x = 1,980,437,089.87
  5. Step 5: Solve for x
    x = 1,980,437,089.87/50,870.54
  6. Step 6: Final answer
    x = 38,930.92

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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.