Home / 66,980.14-92,432.16-36,764.68

Finding the Fourth Proportional to 66,980.14, 92,432.16 and 36,764.68

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Solution

The fourth proportional to 66,980.14, 92,432.16 and 36,764.68 is: 50,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,980.14 : 92,432.16 = 36,764.68 : x
  2. Step 2: Convert to fraction form
    66,980.14/92,432.16 = 36,764.68/x
  3. Step 3: Cross multiply
    66,980.14x = 92,432.16 × 36,764.68
  4. Step 4: Simplify right side
    66,980.14x = 3,398,238,784.11
  5. Step 5: Solve for x
    x = 3,398,238,784.11/66,980.14
  6. Step 6: Final answer
    x = 50,735.02

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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.