Home / 84,390.27-116,456.81-46,149.40

Finding the Fourth Proportional to 84,390.27, 116,456.81 and 46,149.40

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Solution

The fourth proportional to 84,390.27, 116,456.81 and 46,149.40 is: 63,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.27 : 116,456.81 = 46,149.40 : x
  2. Step 2: Convert to fraction form
    84,390.27/116,456.81 = 46,149.40/x
  3. Step 3: Cross multiply
    84,390.27x = 116,456.81 × 46,149.40
  4. Step 4: Simplify right side
    84,390.27x = 5,374,411,167.17
  5. Step 5: Solve for x
    x = 5,374,411,167.17/84,390.27
  6. Step 6: Final answer
    x = 63,685.20

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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.