Home / 84,556.20-116,449.74-70,279.68

Finding the Fourth Proportional to 84,556.20, 116,449.74 and 70,279.68

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Solution

The fourth proportional to 84,556.20, 116,449.74 and 70,279.68 is: 96,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.20 : 116,449.74 = 70,279.68 : x
  2. Step 2: Convert to fraction form
    84,556.20/116,449.74 = 70,279.68/x
  3. Step 3: Cross multiply
    84,556.20x = 116,449.74 × 70,279.68
  4. Step 4: Simplify right side
    84,556.20x = 8,184,050,463.28
  5. Step 5: Solve for x
    x = 8,184,050,463.28/84,556.20
  6. Step 6: Final answer
    x = 96,788.30

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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.