Home / 98,528.25-147,792.31-31,968.38

Finding the Fourth Proportional to 98,528.25, 147,792.31 and 31,968.38

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Solution

The fourth proportional to 98,528.25, 147,792.31 and 31,968.38 is: 47,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,528.25 : 147,792.31 = 31,968.38 : x
  2. Step 2: Convert to fraction form
    98,528.25/147,792.31 = 31,968.38/x
  3. Step 3: Cross multiply
    98,528.25x = 147,792.31 × 31,968.38
  4. Step 4: Simplify right side
    98,528.25x = 4,724,681,136.60
  5. Step 5: Solve for x
    x = 4,724,681,136.60/98,528.25
  6. Step 6: Final answer
    x = 47,952.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.