Home / 80,622.10-111,256.10-46,165.68

Finding the Fourth Proportional to 80,622.10, 111,256.10 and 46,165.68

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Solution

The fourth proportional to 80,622.10, 111,256.10 and 46,165.68 is: 63,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.10 : 111,256.10 = 46,165.68 : x
  2. Step 2: Convert to fraction form
    80,622.10/111,256.10 = 46,165.68/x
  3. Step 3: Cross multiply
    80,622.10x = 111,256.10 × 46,165.68
  4. Step 4: Simplify right side
    80,622.10x = 5,136,213,510.65
  5. Step 5: Solve for x
    x = 5,136,213,510.65/80,622.10
  6. Step 6: Final answer
    x = 63,707.27

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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.