Home / 70,968.04-97,928.38-39,135.04

Finding the Fourth Proportional to 70,968.04, 97,928.38 and 39,135.04

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Solution

The fourth proportional to 70,968.04, 97,928.38 and 39,135.04 is: 54,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.04 : 97,928.38 = 39,135.04 : x
  2. Step 2: Convert to fraction form
    70,968.04/97,928.38 = 39,135.04/x
  3. Step 3: Cross multiply
    70,968.04x = 97,928.38 × 39,135.04
  4. Step 4: Simplify right side
    70,968.04x = 3,832,431,068.44
  5. Step 5: Solve for x
    x = 3,832,431,068.44/70,968.04
  6. Step 6: Final answer
    x = 54,002.21

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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.