Home / 53,781.13-74,219.77-29,583.12

Finding the Fourth Proportional to 53,781.13, 74,219.77 and 29,583.12

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Solution

The fourth proportional to 53,781.13, 74,219.77 and 29,583.12 is: 40,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.13 : 74,219.77 = 29,583.12 : x
  2. Step 2: Convert to fraction form
    53,781.13/74,219.77 = 29,583.12/x
  3. Step 3: Cross multiply
    53,781.13x = 74,219.77 × 29,583.12
  4. Step 4: Simplify right side
    53,781.13x = 2,195,652,362.28
  5. Step 5: Solve for x
    x = 2,195,652,362.28/53,781.13
  6. Step 6: Final answer
    x = 40,825.70

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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.