Home / 70,915.12-97,858.19-39,083.94

Finding the Fourth Proportional to 70,915.12, 97,858.19 and 39,083.94

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Solution

The fourth proportional to 70,915.12, 97,858.19 and 39,083.94 is: 53,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.12 : 97,858.19 = 39,083.94 : x
  2. Step 2: Convert to fraction form
    70,915.12/97,858.19 = 39,083.94/x
  3. Step 3: Cross multiply
    70,915.12x = 97,858.19 × 39,083.94
  4. Step 4: Simplify right side
    70,915.12x = 3,824,683,724.18
  5. Step 5: Solve for x
    x = 3,824,683,724.18/70,915.12
  6. Step 6: Final answer
    x = 53,933.26

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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.