Home / 74,725.03-103,119.87-40,733.52

Finding the Fourth Proportional to 74,725.03, 103,119.87 and 40,733.52

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Solution

The fourth proportional to 74,725.03, 103,119.87 and 40,733.52 is: 56,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,725.03 : 103,119.87 = 40,733.52 : x
  2. Step 2: Convert to fraction form
    74,725.03/103,119.87 = 40,733.52/x
  3. Step 3: Cross multiply
    74,725.03x = 103,119.87 × 40,733.52
  4. Step 4: Simplify right side
    74,725.03x = 4,200,435,287.04
  5. Step 5: Solve for x
    x = 4,200,435,287.04/74,725.03
  6. Step 6: Final answer
    x = 56,211.89

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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.