Home / 107,395.08-161,145.54-48,273.72

Finding the Fourth Proportional to 107,395.08, 161,145.54 and 48,273.72

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Solution

The fourth proportional to 107,395.08, 161,145.54 and 48,273.72 is: 72,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,395.08 : 161,145.54 = 48,273.72 : x
  2. Step 2: Convert to fraction form
    107,395.08/161,145.54 = 48,273.72/x
  3. Step 3: Cross multiply
    107,395.08x = 161,145.54 × 48,273.72
  4. Step 4: Simplify right side
    107,395.08x = 7,779,094,677.21
  5. Step 5: Solve for x
    x = 7,779,094,677.21/107,395.08
  6. Step 6: Final answer
    x = 72,434.37

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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.