Home / 74,950.25-103,380.57-48,125.34

Finding the Fourth Proportional to 74,950.25, 103,380.57 and 48,125.34

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Solution

The fourth proportional to 74,950.25, 103,380.57 and 48,125.34 is: 66,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950.25 : 103,380.57 = 48,125.34 : x
  2. Step 2: Convert to fraction form
    74,950.25/103,380.57 = 48,125.34/x
  3. Step 3: Cross multiply
    74,950.25x = 103,380.57 × 48,125.34
  4. Step 4: Simplify right side
    74,950.25x = 4,975,225,080.64
  5. Step 5: Solve for x
    x = 4,975,225,080.64/74,950.25
  6. Step 6: Final answer
    x = 66,380.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.