Home / 86,968.98-130,442.58-27,799.74

Finding the Fourth Proportional to 86,968.98, 130,442.58 and 27,799.74

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Solution

The fourth proportional to 86,968.98, 130,442.58 and 27,799.74 is: 41,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968.98 : 130,442.58 = 27,799.74 : x
  2. Step 2: Convert to fraction form
    86,968.98/130,442.58 = 27,799.74/x
  3. Step 3: Cross multiply
    86,968.98x = 130,442.58 × 27,799.74
  4. Step 4: Simplify right side
    86,968.98x = 3,626,269,808.93
  5. Step 5: Solve for x
    x = 3,626,269,808.93/86,968.98
  6. Step 6: Final answer
    x = 41,696.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.