Home / 98,020.48-147,030-27,899.68

Finding the Fourth Proportional to 98,020.48, 147,030 and 27,899.68

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Solution

The fourth proportional to 98,020.48, 147,030 and 27,899.68 is: 41,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,020.48 : 147,030 = 27,899.68 : x
  2. Step 2: Convert to fraction form
    98,020.48/147,030 = 27,899.68/x
  3. Step 3: Cross multiply
    98,020.48x = 147,030 × 27,899.68
  4. Step 4: Simplify right side
    98,020.48x = 4,102,089,950.40
  5. Step 5: Solve for x
    x = 4,102,089,950.40/98,020.48
  6. Step 6: Final answer
    x = 41,849.32

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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.