Home / 80,626.40-111,256.80-44,812.16

Finding the Fourth Proportional to 80,626.40, 111,256.80 and 44,812.16

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Solution

The fourth proportional to 80,626.40, 111,256.80 and 44,812.16 is: 61,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.40 : 111,256.80 = 44,812.16 : x
  2. Step 2: Convert to fraction form
    80,626.40/111,256.80 = 44,812.16/x
  3. Step 3: Cross multiply
    80,626.40x = 111,256.80 × 44,812.16
  4. Step 4: Simplify right side
    80,626.40x = 4,985,657,522.69
  5. Step 5: Solve for x
    x = 4,985,657,522.69/80,626.40
  6. Step 6: Final answer
    x = 61,836.54

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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.