Home / 67,066.36-92,554.86-38,774.68

Finding the Fourth Proportional to 67,066.36, 92,554.86 and 38,774.68

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Solution

The fourth proportional to 67,066.36, 92,554.86 and 38,774.68 is: 53,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066.36 : 92,554.86 = 38,774.68 : x
  2. Step 2: Convert to fraction form
    67,066.36/92,554.86 = 38,774.68/x
  3. Step 3: Cross multiply
    67,066.36x = 92,554.86 × 38,774.68
  4. Step 4: Simplify right side
    67,066.36x = 3,588,785,078.94
  5. Step 5: Solve for x
    x = 3,588,785,078.94/67,066.36
  6. Step 6: Final answer
    x = 53,510.96

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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.