Home / 66,068.07-91,174.00-35,853.40

Finding the Fourth Proportional to 66,068.07, 91,174.00 and 35,853.40

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Solution

The fourth proportional to 66,068.07, 91,174.00 and 35,853.40 is: 49,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.07 : 91,174.00 = 35,853.40 : x
  2. Step 2: Convert to fraction form
    66,068.07/91,174.00 = 35,853.40/x
  3. Step 3: Cross multiply
    66,068.07x = 91,174.00 × 35,853.40
  4. Step 4: Simplify right side
    66,068.07x = 3,268,897,537.53
  5. Step 5: Solve for x
    x = 3,268,897,537.53/66,068.07
  6. Step 6: Final answer
    x = 49,477.72

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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.