Home / 70,381.53-97,089.71-43,515.45

Finding the Fourth Proportional to 70,381.53, 97,089.71 and 43,515.45

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Solution

The fourth proportional to 70,381.53, 97,089.71 and 43,515.45 is: 60,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.53 : 97,089.71 = 43,515.45 : x
  2. Step 2: Convert to fraction form
    70,381.53/97,089.71 = 43,515.45/x
  3. Step 3: Cross multiply
    70,381.53x = 97,089.71 × 43,515.45
  4. Step 4: Simplify right side
    70,381.53x = 4,224,902,203.44
  5. Step 5: Solve for x
    x = 4,224,902,203.44/70,381.53
  6. Step 6: Final answer
    x = 60,028.56

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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.