Home / 80,457.48-111,029.64-44,647.20

Finding the Fourth Proportional to 80,457.48, 111,029.64 and 44,647.20

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Solution

The fourth proportional to 80,457.48, 111,029.64 and 44,647.20 is: 61,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.48 : 111,029.64 = 44,647.20 : x
  2. Step 2: Convert to fraction form
    80,457.48/111,029.64 = 44,647.20/x
  3. Step 3: Cross multiply
    80,457.48x = 111,029.64 × 44,647.20
  4. Step 4: Simplify right side
    80,457.48x = 4,957,162,543.01
  5. Step 5: Solve for x
    x = 4,957,162,543.01/80,457.48
  6. Step 6: Final answer
    x = 61,612.20

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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.