Home / 86,431.34-119,275.08-46,687.34

Finding the Fourth Proportional to 86,431.34, 119,275.08 and 46,687.34

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Solution

The fourth proportional to 86,431.34, 119,275.08 and 46,687.34 is: 64,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.34 : 119,275.08 = 46,687.34 : x
  2. Step 2: Convert to fraction form
    86,431.34/119,275.08 = 46,687.34/x
  3. Step 3: Cross multiply
    86,431.34x = 119,275.08 × 46,687.34
  4. Step 4: Simplify right side
    86,431.34x = 5,568,636,213.49
  5. Step 5: Solve for x
    x = 5,568,636,213.49/86,431.34
  6. Step 6: Final answer
    x = 64,428.44

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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.