Home / 80,225.10-110,729.23-53,368.74

Finding the Fourth Proportional to 80,225.10, 110,729.23 and 53,368.74

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Solution

The fourth proportional to 80,225.10, 110,729.23 and 53,368.74 is: 73,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,225.10 : 110,729.23 = 53,368.74 : x
  2. Step 2: Convert to fraction form
    80,225.10/110,729.23 = 53,368.74/x
  3. Step 3: Cross multiply
    80,225.10x = 110,729.23 × 53,368.74
  4. Step 4: Simplify right side
    80,225.10x = 5,909,479,352.85
  5. Step 5: Solve for x
    x = 5,909,479,352.85/80,225.10
  6. Step 6: Final answer
    x = 73,661.23

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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.