Home / 75,070.52-103,548.48-48,170.42

Finding the Fourth Proportional to 75,070.52, 103,548.48 and 48,170.42

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Solution

The fourth proportional to 75,070.52, 103,548.48 and 48,170.42 is: 66,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.52 : 103,548.48 = 48,170.42 : x
  2. Step 2: Convert to fraction form
    75,070.52/103,548.48 = 48,170.42/x
  3. Step 3: Cross multiply
    75,070.52x = 103,548.48 × 48,170.42
  4. Step 4: Simplify right side
    75,070.52x = 4,987,973,771.96
  5. Step 5: Solve for x
    x = 4,987,973,771.96/75,070.52
  6. Step 6: Final answer
    x = 66,443.84

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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.