Home / 53,781.99-74,210.41-29,908.05

Finding the Fourth Proportional to 53,781.99, 74,210.41 and 29,908.05

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Solution

The fourth proportional to 53,781.99, 74,210.41 and 29,908.05 is: 41,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.99 : 74,210.41 = 29,908.05 : x
  2. Step 2: Convert to fraction form
    53,781.99/74,210.41 = 29,908.05/x
  3. Step 3: Cross multiply
    53,781.99x = 74,210.41 × 29,908.05
  4. Step 4: Simplify right side
    53,781.99x = 2,219,488,132.21
  5. Step 5: Solve for x
    x = 2,219,488,132.21/53,781.99
  6. Step 6: Final answer
    x = 41,268.24

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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.