Home / 125,621.45-188,438.65-32,128.01

Finding the Fourth Proportional to 125,621.45, 188,438.65 and 32,128.01

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Solution

The fourth proportional to 125,621.45, 188,438.65 and 32,128.01 is: 48,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.45 : 188,438.65 = 32,128.01 : x
  2. Step 2: Convert to fraction form
    125,621.45/188,438.65 = 32,128.01/x
  3. Step 3: Cross multiply
    125,621.45x = 188,438.65 × 32,128.01
  4. Step 4: Simplify right side
    125,621.45x = 6,054,157,809.07
  5. Step 5: Solve for x
    x = 6,054,157,809.07/125,621.45
  6. Step 6: Final answer
    x = 48,193.66

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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.