Home / 70,289.91-105,184.58-56,339.55

Finding the Fourth Proportional to 70,289.91, 105,184.58 and 56,339.55

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Solution

The fourth proportional to 70,289.91, 105,184.58 and 56,339.55 is: 84,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289.91 : 105,184.58 = 56,339.55 : x
  2. Step 2: Convert to fraction form
    70,289.91/105,184.58 = 56,339.55/x
  3. Step 3: Cross multiply
    70,289.91x = 105,184.58 × 56,339.55
  4. Step 4: Simplify right side
    70,289.91x = 5,926,051,622.44
  5. Step 5: Solve for x
    x = 5,926,051,622.44/70,289.91
  6. Step 6: Final answer
    x = 84,308.71

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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.