Home / 75,009.32-103,464.09-48,109.22

Finding the Fourth Proportional to 75,009.32, 103,464.09 and 48,109.22

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Solution

The fourth proportional to 75,009.32, 103,464.09 and 48,109.22 is: 66,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009.32 : 103,464.09 = 48,109.22 : x
  2. Step 2: Convert to fraction form
    75,009.32/103,464.09 = 48,109.22/x
  3. Step 3: Cross multiply
    75,009.32x = 103,464.09 × 48,109.22
  4. Step 4: Simplify right side
    75,009.32x = 4,977,576,150.59
  5. Step 5: Solve for x
    x = 4,977,576,150.59/75,009.32
  6. Step 6: Final answer
    x = 66,359.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.