Home / 80,435.17-111,005.79-46,445.09

Finding the Fourth Proportional to 80,435.17, 111,005.79 and 46,445.09

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Solution

The fourth proportional to 80,435.17, 111,005.79 and 46,445.09 is: 64,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435.17 : 111,005.79 = 46,445.09 : x
  2. Step 2: Convert to fraction form
    80,435.17/111,005.79 = 46,445.09/x
  3. Step 3: Cross multiply
    80,435.17x = 111,005.79 × 46,445.09
  4. Step 4: Simplify right side
    80,435.17x = 5,155,673,674.85
  5. Step 5: Solve for x
    x = 5,155,673,674.85/80,435.17
  6. Step 6: Final answer
    x = 64,097.26

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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.