Home / 54,971.19-75,860.39-29,820.69

Finding the Fourth Proportional to 54,971.19, 75,860.39 and 29,820.69

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Solution

The fourth proportional to 54,971.19, 75,860.39 and 29,820.69 is: 41,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.19 : 75,860.39 = 29,820.69 : x
  2. Step 2: Convert to fraction form
    54,971.19/75,860.39 = 29,820.69/x
  3. Step 3: Cross multiply
    54,971.19x = 75,860.39 × 29,820.69
  4. Step 4: Simplify right side
    54,971.19x = 2,262,209,173.47
  5. Step 5: Solve for x
    x = 2,262,209,173.47/54,971.19
  6. Step 6: Final answer
    x = 41,152.63

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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.