Home / 66,320.88-99,522.34-26,878.34

Finding the Fourth Proportional to 66,320.88, 99,522.34 and 26,878.34

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Solution

The fourth proportional to 66,320.88, 99,522.34 and 26,878.34 is: 40,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.88 : 99,522.34 = 26,878.34 : x
  2. Step 2: Convert to fraction form
    66,320.88/99,522.34 = 26,878.34/x
  3. Step 3: Cross multiply
    66,320.88x = 99,522.34 × 26,878.34
  4. Step 4: Simplify right side
    66,320.88x = 2,674,994,660.11
  5. Step 5: Solve for x
    x = 2,674,994,660.11/66,320.88
  6. Step 6: Final answer
    x = 40,334.12

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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.