Home / 86,431.13-119,274.95-46,687.13

Finding the Fourth Proportional to 86,431.13, 119,274.95 and 46,687.13

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Solution

The fourth proportional to 86,431.13, 119,274.95 and 46,687.13 is: 64,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.13 : 119,274.95 = 46,687.13 : x
  2. Step 2: Convert to fraction form
    86,431.13/119,274.95 = 46,687.13/x
  3. Step 3: Cross multiply
    86,431.13x = 119,274.95 × 46,687.13
  4. Step 4: Simplify right side
    86,431.13x = 5,568,604,616.74
  5. Step 5: Solve for x
    x = 5,568,604,616.74/86,431.13
  6. Step 6: Final answer
    x = 64,428.23

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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.