Home / 86,748.63-130,122.95-27,584.30

Finding the Fourth Proportional to 86,748.63, 130,122.95 and 27,584.30

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Solution

The fourth proportional to 86,748.63, 130,122.95 and 27,584.30 is: 41,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748.63 : 130,122.95 = 27,584.30 : x
  2. Step 2: Convert to fraction form
    86,748.63/130,122.95 = 27,584.30/x
  3. Step 3: Cross multiply
    86,748.63x = 130,122.95 × 27,584.30
  4. Step 4: Simplify right side
    86,748.63x = 3,589,349,701.15
  5. Step 5: Solve for x
    x = 3,589,349,701.15/86,748.63
  6. Step 6: Final answer
    x = 41,376.44

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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.