Home / 66,477.98-99,665.85-34,422.70

Finding the Fourth Proportional to 66,477.98, 99,665.85 and 34,422.70

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Solution

The fourth proportional to 66,477.98, 99,665.85 and 34,422.70 is: 51,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477.98 : 99,665.85 = 34,422.70 : x
  2. Step 2: Convert to fraction form
    66,477.98/99,665.85 = 34,422.70/x
  3. Step 3: Cross multiply
    66,477.98x = 99,665.85 × 34,422.70
  4. Step 4: Simplify right side
    66,477.98x = 3,430,767,654.80
  5. Step 5: Solve for x
    x = 3,430,767,654.80/66,477.98
  6. Step 6: Final answer
    x = 51,607.58

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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.