Home / 52,017.47-77,993.39-28,660.31

Finding the Fourth Proportional to 52,017.47, 77,993.39 and 28,660.31

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Solution

The fourth proportional to 52,017.47, 77,993.39 and 28,660.31 is: 42,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.47 : 77,993.39 = 28,660.31 : x
  2. Step 2: Convert to fraction form
    52,017.47/77,993.39 = 28,660.31/x
  3. Step 3: Cross multiply
    52,017.47x = 77,993.39 × 28,660.31
  4. Step 4: Simplify right side
    52,017.47x = 2,235,314,417.03
  5. Step 5: Solve for x
    x = 2,235,314,417.03/52,017.47
  6. Step 6: Final answer
    x = 42,972.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.