Home / 125,369.48-188,054.94-31,875.32

Finding the Fourth Proportional to 125,369.48, 188,054.94 and 31,875.32

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Solution

The fourth proportional to 125,369.48, 188,054.94 and 31,875.32 is: 47,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,369.48 : 188,054.94 = 31,875.32 : x
  2. Step 2: Convert to fraction form
    125,369.48/188,054.94 = 31,875.32/x
  3. Step 3: Cross multiply
    125,369.48x = 188,054.94 × 31,875.32
  4. Step 4: Simplify right side
    125,369.48x = 5,994,311,390.08
  5. Step 5: Solve for x
    x = 5,994,311,390.08/125,369.48
  6. Step 6: Final answer
    x = 47,813.16

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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.