Home / 53,126.78-79,301.46-46,821.30

Finding the Fourth Proportional to 53,126.78, 79,301.46 and 46,821.30

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Solution

The fourth proportional to 53,126.78, 79,301.46 and 46,821.30 is: 69,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,126.78 : 79,301.46 = 46,821.30 : x
  2. Step 2: Convert to fraction form
    53,126.78/79,301.46 = 46,821.30/x
  3. Step 3: Cross multiply
    53,126.78x = 79,301.46 × 46,821.30
  4. Step 4: Simplify right side
    53,126.78x = 3,712,997,449.10
  5. Step 5: Solve for x
    x = 3,712,997,449.10/53,126.78
  6. Step 6: Final answer
    x = 69,889.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.