Home / 77,445.42-116,168.67-35,316.78

Finding the Fourth Proportional to 77,445.42, 116,168.67 and 35,316.78

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Solution

The fourth proportional to 77,445.42, 116,168.67 and 35,316.78 is: 52,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445.42 : 116,168.67 = 35,316.78 : x
  2. Step 2: Convert to fraction form
    77,445.42/116,168.67 = 35,316.78/x
  3. Step 3: Cross multiply
    77,445.42x = 116,168.67 × 35,316.78
  4. Step 4: Simplify right side
    77,445.42x = 4,102,703,361.28
  5. Step 5: Solve for x
    x = 4,102,703,361.28/77,445.42
  6. Step 6: Final answer
    x = 52,975.42

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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.