Home / 75,780.72-113,698.40-32,485.55

Finding the Fourth Proportional to 75,780.72, 113,698.40 and 32,485.55

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Solution

The fourth proportional to 75,780.72, 113,698.40 and 32,485.55 is: 48,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.72 : 113,698.40 = 32,485.55 : x
  2. Step 2: Convert to fraction form
    75,780.72/113,698.40 = 32,485.55/x
  3. Step 3: Cross multiply
    75,780.72x = 113,698.40 × 32,485.55
  4. Step 4: Simplify right side
    75,780.72x = 3,693,554,327.20
  5. Step 5: Solve for x
    x = 3,693,554,327.20/75,780.72
  6. Step 6: Final answer
    x = 48,740.03

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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.