Home / 80,457.90-111,031.56-44,647.85

Finding the Fourth Proportional to 80,457.90, 111,031.56 and 44,647.85

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Solution

The fourth proportional to 80,457.90, 111,031.56 and 44,647.85 is: 61,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.90 : 111,031.56 = 44,647.85 : x
  2. Step 2: Convert to fraction form
    80,457.90/111,031.56 = 44,647.85/x
  3. Step 3: Cross multiply
    80,457.90x = 111,031.56 × 44,647.85
  4. Step 4: Simplify right side
    80,457.90x = 4,957,319,880.99
  5. Step 5: Solve for x
    x = 4,957,319,880.99/80,457.90
  6. Step 6: Final answer
    x = 61,613.84

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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.