Home / 42,062.36-63,080.64-13,975.07

Finding the Fourth Proportional to 42,062.36, 63,080.64 and 13,975.07

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Solution

The fourth proportional to 42,062.36, 63,080.64 and 13,975.07 is: 20,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.36 : 63,080.64 = 13,975.07 : x
  2. Step 2: Convert to fraction form
    42,062.36/63,080.64 = 13,975.07/x
  3. Step 3: Cross multiply
    42,062.36x = 63,080.64 × 13,975.07
  4. Step 4: Simplify right side
    42,062.36x = 881,556,044.24
  5. Step 5: Solve for x
    x = 881,556,044.24/42,062.36
  6. Step 6: Final answer
    x = 20,958.31

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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.