Home / 75,158.40-103,508.64-73,525.44

Finding the Fourth Proportional to 75,158.40, 103,508.64 and 73,525.44

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Solution

The fourth proportional to 75,158.40, 103,508.64 and 73,525.44 is: 101,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.40 : 103,508.64 = 73,525.44 : x
  2. Step 2: Convert to fraction form
    75,158.40/103,508.64 = 73,525.44/x
  3. Step 3: Cross multiply
    75,158.40x = 103,508.64 × 73,525.44
  4. Step 4: Simplify right side
    75,158.40x = 7,610,518,299.80
  5. Step 5: Solve for x
    x = 7,610,518,299.80/75,158.40
  6. Step 6: Final answer
    x = 101,259.72

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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.