Home / 125,724.25-188,612.80-36,970.32

Finding the Fourth Proportional to 125,724.25, 188,612.80 and 36,970.32

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Solution

The fourth proportional to 125,724.25, 188,612.80 and 36,970.32 is: 55,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.25 : 188,612.80 = 36,970.32 : x
  2. Step 2: Convert to fraction form
    125,724.25/188,612.80 = 36,970.32/x
  3. Step 3: Cross multiply
    125,724.25x = 188,612.80 × 36,970.32
  4. Step 4: Simplify right side
    125,724.25x = 6,973,076,394.93
  5. Step 5: Solve for x
    x = 6,973,076,394.93/125,724.25
  6. Step 6: Final answer
    x = 55,463.26

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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.