Home / 75,050.64-103,512.18-52,382.40

Finding the Fourth Proportional to 75,050.64, 103,512.18 and 52,382.40

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Solution

The fourth proportional to 75,050.64, 103,512.18 and 52,382.40 is: 72,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,050.64 : 103,512.18 = 52,382.40 : x
  2. Step 2: Convert to fraction form
    75,050.64/103,512.18 = 52,382.40/x
  3. Step 3: Cross multiply
    75,050.64x = 103,512.18 × 52,382.40
  4. Step 4: Simplify right side
    75,050.64x = 5,422,216,417.63
  5. Step 5: Solve for x
    x = 5,422,216,417.63/75,050.64
  6. Step 6: Final answer
    x = 72,247.44

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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.