Home / 80,623.16-111,271.19-58,036.91

Finding the Fourth Proportional to 80,623.16, 111,271.19 and 58,036.91

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Solution

The fourth proportional to 80,623.16, 111,271.19 and 58,036.91 is: 80,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,623.16 : 111,271.19 = 58,036.91 : x
  2. Step 2: Convert to fraction form
    80,623.16/111,271.19 = 58,036.91/x
  3. Step 3: Cross multiply
    80,623.16x = 111,271.19 × 58,036.91
  4. Step 4: Simplify right side
    80,623.16x = 6,457,835,749.44
  5. Step 5: Solve for x
    x = 6,457,835,749.44/80,623.16
  6. Step 6: Final answer
    x = 80,099.02

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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.