Home / 75,288.40-103,899.12-41,300.20

Finding the Fourth Proportional to 75,288.40, 103,899.12 and 41,300.20

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Solution

The fourth proportional to 75,288.40, 103,899.12 and 41,300.20 is: 56,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288.40 : 103,899.12 = 41,300.20 : x
  2. Step 2: Convert to fraction form
    75,288.40/103,899.12 = 41,300.20/x
  3. Step 3: Cross multiply
    75,288.40x = 103,899.12 × 41,300.20
  4. Step 4: Simplify right side
    75,288.40x = 4,291,054,435.82
  5. Step 5: Solve for x
    x = 4,291,054,435.82/75,288.40
  6. Step 6: Final answer
    x = 56,994.89

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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.