Home / 86,719.36-119,672.32-46,975.36

Finding the Fourth Proportional to 86,719.36, 119,672.32 and 46,975.36

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Solution

The fourth proportional to 86,719.36, 119,672.32 and 46,975.36 is: 64,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.36 : 119,672.32 = 46,975.36 : x
  2. Step 2: Convert to fraction form
    86,719.36/119,672.32 = 46,975.36/x
  3. Step 3: Cross multiply
    86,719.36x = 119,672.32 × 46,975.36
  4. Step 4: Simplify right side
    86,719.36x = 5,621,650,314.04
  5. Step 5: Solve for x
    x = 5,621,650,314.04/86,719.36
  6. Step 6: Final answer
    x = 64,825.78

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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.