Home / 66,416.20-99,624.30-59,855.20

Finding the Fourth Proportional to 66,416.20, 99,624.30 and 59,855.20

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Solution

The fourth proportional to 66,416.20, 99,624.30 and 59,855.20 is: 89,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.20 : 99,624.30 = 59,855.20 : x
  2. Step 2: Convert to fraction form
    66,416.20/99,624.30 = 59,855.20/x
  3. Step 3: Cross multiply
    66,416.20x = 99,624.30 × 59,855.20
  4. Step 4: Simplify right side
    66,416.20x = 5,963,032,401.36
  5. Step 5: Solve for x
    x = 5,963,032,401.36/66,416.20
  6. Step 6: Final answer
    x = 89,782.80

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1.5x scale

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.