Home / 66,101.85-99,152.31-26,631.06

Finding the Fourth Proportional to 66,101.85, 99,152.31 and 26,631.06

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Solution

The fourth proportional to 66,101.85, 99,152.31 and 26,631.06 is: 39,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,101.85 : 99,152.31 = 26,631.06 : x
  2. Step 2: Convert to fraction form
    66,101.85/99,152.31 = 26,631.06/x
  3. Step 3: Cross multiply
    66,101.85x = 99,152.31 × 26,631.06
  4. Step 4: Simplify right side
    66,101.85x = 2,640,531,116.75
  5. Step 5: Solve for x
    x = 2,640,531,116.75/66,101.85
  6. Step 6: Final answer
    x = 39,946.40

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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.