Home / 70,975.59-97,946.25-39,144.51

Finding the Fourth Proportional to 70,975.59, 97,946.25 and 39,144.51

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Solution

The fourth proportional to 70,975.59, 97,946.25 and 39,144.51 is: 54,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.59 : 97,946.25 = 39,144.51 : x
  2. Step 2: Convert to fraction form
    70,975.59/97,946.25 = 39,144.51/x
  3. Step 3: Cross multiply
    70,975.59x = 97,946.25 × 39,144.51
  4. Step 4: Simplify right side
    70,975.59x = 3,834,057,962.59
  5. Step 5: Solve for x
    x = 3,834,057,962.59/70,975.59
  6. Step 6: Final answer
    x = 54,019.39

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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.