Home / 75,090.16-103,624.60-41,556.40

Finding the Fourth Proportional to 75,090.16, 103,624.60 and 41,556.40

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Solution

The fourth proportional to 75,090.16, 103,624.60 and 41,556.40 is: 57,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.16 : 103,624.60 = 41,556.40 : x
  2. Step 2: Convert to fraction form
    75,090.16/103,624.60 = 41,556.40/x
  3. Step 3: Cross multiply
    75,090.16x = 103,624.60 × 41,556.40
  4. Step 4: Simplify right side
    75,090.16x = 4,306,265,327.44
  5. Step 5: Solve for x
    x = 4,306,265,327.44/75,090.16
  6. Step 6: Final answer
    x = 57,347.93

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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.