Home / 79,225.55-109,334.27-45,239.57

Finding the Fourth Proportional to 79,225.55, 109,334.27 and 45,239.57

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Solution

The fourth proportional to 79,225.55, 109,334.27 and 45,239.57 is: 62,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.55 : 109,334.27 = 45,239.57 : x
  2. Step 2: Convert to fraction form
    79,225.55/109,334.27 = 45,239.57/x
  3. Step 3: Cross multiply
    79,225.55x = 109,334.27 × 45,239.57
  4. Step 4: Simplify right side
    79,225.55x = 4,946,235,361.06
  5. Step 5: Solve for x
    x = 4,946,235,361.06/79,225.55
  6. Step 6: Final answer
    x = 62,432.33

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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.