Home / 125,629.40-188,444.10-46,727.30

Finding the Fourth Proportional to 125,629.40, 188,444.10 and 46,727.30

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Solution

The fourth proportional to 125,629.40, 188,444.10 and 46,727.30 is: 70,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,629.40 : 188,444.10 = 46,727.30 : x
  2. Step 2: Convert to fraction form
    125,629.40/188,444.10 = 46,727.30/x
  3. Step 3: Cross multiply
    125,629.40x = 188,444.10 × 46,727.30
  4. Step 4: Simplify right side
    125,629.40x = 8,805,483,993.93
  5. Step 5: Solve for x
    x = 8,805,483,993.93/125,629.40
  6. Step 6: Final answer
    x = 70,090.95

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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.