Home / 113,749-170,643.59-38,851.64

Finding the Fourth Proportional to 113,749, 170,643.59 and 38,851.64

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Solution

The fourth proportional to 113,749, 170,643.59 and 38,851.64 is: 58,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749 : 170,643.59 = 38,851.64 : x
  2. Step 2: Convert to fraction form
    113,749/170,643.59 = 38,851.64/x
  3. Step 3: Cross multiply
    113,749x = 170,643.59 × 38,851.64
  4. Step 4: Simplify right side
    113,749x = 6,629,783,326.99
  5. Step 5: Solve for x
    x = 6,629,783,326.99/113,749
  6. Step 6: Final answer
    x = 58,284.32

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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.