Home / 85,279.50-117,688.14-47,556.18

Finding the Fourth Proportional to 85,279.50, 117,688.14 and 47,556.18

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Solution

The fourth proportional to 85,279.50, 117,688.14 and 47,556.18 is: 65,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.50 : 117,688.14 = 47,556.18 : x
  2. Step 2: Convert to fraction form
    85,279.50/117,688.14 = 47,556.18/x
  3. Step 3: Cross multiply
    85,279.50x = 117,688.14 × 47,556.18
  4. Step 4: Simplify right side
    85,279.50x = 5,596,798,369.71
  5. Step 5: Solve for x
    x = 5,596,798,369.71/85,279.50
  6. Step 6: Final answer
    x = 65,628.88

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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.