Home / 53,114.12-79,720.32-26,837.24

Finding the Fourth Proportional to 53,114.12, 79,720.32 and 26,837.24

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Solution

The fourth proportional to 53,114.12, 79,720.32 and 26,837.24 is: 40,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.12 : 79,720.32 = 26,837.24 : x
  2. Step 2: Convert to fraction form
    53,114.12/79,720.32 = 26,837.24/x
  3. Step 3: Cross multiply
    53,114.12x = 79,720.32 × 26,837.24
  4. Step 4: Simplify right side
    53,114.12x = 2,139,473,360.72
  5. Step 5: Solve for x
    x = 2,139,473,360.72/53,114.12
  6. Step 6: Final answer
    x = 40,280.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.