Home / 44,077.77-66,117.20-12,913.65

Finding the Fourth Proportional to 44,077.77, 66,117.20 and 12,913.65

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Solution

The fourth proportional to 44,077.77, 66,117.20 and 12,913.65 is: 19,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,077.77 : 66,117.20 = 12,913.65 : x
  2. Step 2: Convert to fraction form
    44,077.77/66,117.20 = 12,913.65/x
  3. Step 3: Cross multiply
    44,077.77x = 66,117.20 × 12,913.65
  4. Step 4: Simplify right side
    44,077.77x = 853,814,315.21
  5. Step 5: Solve for x
    x = 853,814,315.21/44,077.77
  6. Step 6: Final answer
    x = 19,370.63

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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.