Home / 84,143.04-116,108.88-49,682.40

Finding the Fourth Proportional to 84,143.04, 116,108.88 and 49,682.40

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Solution

The fourth proportional to 84,143.04, 116,108.88 and 49,682.40 is: 68,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,143.04 : 116,108.88 = 49,682.40 : x
  2. Step 2: Convert to fraction form
    84,143.04/116,108.88 = 49,682.40/x
  3. Step 3: Cross multiply
    84,143.04x = 116,108.88 × 49,682.40
  4. Step 4: Simplify right side
    84,143.04x = 5,768,567,819.71
  5. Step 5: Solve for x
    x = 5,768,567,819.71/84,143.04
  6. Step 6: Final answer
    x = 68,556.68

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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.