Home / 66,068.14-91,174.10-37,774.42

Finding the Fourth Proportional to 66,068.14, 91,174.10 and 37,774.42

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Solution

The fourth proportional to 66,068.14, 91,174.10 and 37,774.42 is: 52,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.14 : 91,174.10 = 37,774.42 : x
  2. Step 2: Convert to fraction form
    66,068.14/91,174.10 = 37,774.42/x
  3. Step 3: Cross multiply
    66,068.14x = 91,174.10 × 37,774.42
  4. Step 4: Simplify right side
    66,068.14x = 3,444,048,746.52
  5. Step 5: Solve for x
    x = 3,444,048,746.52/66,068.14
  6. Step 6: Final answer
    x = 52,128.74

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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.