Home / 86,678.42-130,033.71-27,498.10

Finding the Fourth Proportional to 86,678.42, 130,033.71 and 27,498.10

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Solution

The fourth proportional to 86,678.42, 130,033.71 and 27,498.10 is: 41,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,678.42 : 130,033.71 = 27,498.10 : x
  2. Step 2: Convert to fraction form
    86,678.42/130,033.71 = 27,498.10/x
  3. Step 3: Cross multiply
    86,678.42x = 130,033.71 × 27,498.10
  4. Step 4: Simplify right side
    86,678.42x = 3,575,679,960.95
  5. Step 5: Solve for x
    x = 3,575,679,960.95/86,678.42
  6. Step 6: Final answer
    x = 41,252.25

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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.