Home / 98,090.29-147,136.79-27,969.59

Finding the Fourth Proportional to 98,090.29, 147,136.79 and 27,969.59

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Solution

The fourth proportional to 98,090.29, 147,136.79 and 27,969.59 is: 41,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.29 : 147,136.79 = 27,969.59 : x
  2. Step 2: Convert to fraction form
    98,090.29/147,136.79 = 27,969.59/x
  3. Step 3: Cross multiply
    98,090.29x = 147,136.79 × 27,969.59
  4. Step 4: Simplify right side
    98,090.29x = 4,115,355,690.22
  5. Step 5: Solve for x
    x = 4,115,355,690.22/98,090.29
  6. Step 6: Final answer
    x = 41,954.77

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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.