Home / 44,971.56-67,457.28-12,139.56

Finding the Fourth Proportional to 44,971.56, 67,457.28 and 12,139.56

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Solution

The fourth proportional to 44,971.56, 67,457.28 and 12,139.56 is: 18,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,971.56 : 67,457.28 = 12,139.56 : x
  2. Step 2: Convert to fraction form
    44,971.56/67,457.28 = 12,139.56/x
  3. Step 3: Cross multiply
    44,971.56x = 67,457.28 × 12,139.56
  4. Step 4: Simplify right side
    44,971.56x = 818,901,698.00
  5. Step 5: Solve for x
    x = 818,901,698.00/44,971.56
  6. Step 6: Final answer
    x = 18,209.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.