Home / 67,346.10-92,931.30-39,048.75

Finding the Fourth Proportional to 67,346.10, 92,931.30 and 39,048.75

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Solution

The fourth proportional to 67,346.10, 92,931.30 and 39,048.75 is: 53,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.10 : 92,931.30 = 39,048.75 : x
  2. Step 2: Convert to fraction form
    67,346.10/92,931.30 = 39,048.75/x
  3. Step 3: Cross multiply
    67,346.10x = 92,931.30 × 39,048.75
  4. Step 4: Simplify right side
    67,346.10x = 3,628,851,100.88
  5. Step 5: Solve for x
    x = 3,628,851,100.88/67,346.10
  6. Step 6: Final answer
    x = 53,883.61

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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.