Home / 107,684.91-161,518.13-65,554.05

Finding the Fourth Proportional to 107,684.91, 161,518.13 and 65,554.05

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Solution

The fourth proportional to 107,684.91, 161,518.13 and 65,554.05 is: 98,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,684.91 : 161,518.13 = 65,554.05 : x
  2. Step 2: Convert to fraction form
    107,684.91/161,518.13 = 65,554.05/x
  3. Step 3: Cross multiply
    107,684.91x = 161,518.13 × 65,554.05
  4. Step 4: Simplify right side
    107,684.91x = 10,588,168,093.68
  5. Step 5: Solve for x
    x = 10,588,168,093.68/107,684.91
  6. Step 6: Final answer
    x = 98,325.46

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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.