Home / 70,343.14-97,069.70-38,505.89

Finding the Fourth Proportional to 70,343.14, 97,069.70 and 38,505.89

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Solution

The fourth proportional to 70,343.14, 97,069.70 and 38,505.89 is: 53,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.14 : 97,069.70 = 38,505.89 : x
  2. Step 2: Convert to fraction form
    70,343.14/97,069.70 = 38,505.89/x
  3. Step 3: Cross multiply
    70,343.14x = 97,069.70 × 38,505.89
  4. Step 4: Simplify right side
    70,343.14x = 3,737,754,801.45
  5. Step 5: Solve for x
    x = 3,737,754,801.45/70,343.14
  6. Step 6: Final answer
    x = 53,136.03

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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.