Home / 74,918.93-112,378.08-35,503.72

Finding the Fourth Proportional to 74,918.93, 112,378.08 and 35,503.72

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Solution

The fourth proportional to 74,918.93, 112,378.08 and 35,503.72 is: 53,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.93 : 112,378.08 = 35,503.72 : x
  2. Step 2: Convert to fraction form
    74,918.93/112,378.08 = 35,503.72/x
  3. Step 3: Cross multiply
    74,918.93x = 112,378.08 × 35,503.72
  4. Step 4: Simplify right side
    74,918.93x = 3,989,839,738.65
  5. Step 5: Solve for x
    x = 3,989,839,738.65/74,918.93
  6. Step 6: Final answer
    x = 53,255.43

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1.5x scale

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.