Home / 86,766.40-130,159.16-27,588.23

Finding the Fourth Proportional to 86,766.40, 130,159.16 and 27,588.23

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Solution

The fourth proportional to 86,766.40, 130,159.16 and 27,588.23 is: 41,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,766.40 : 130,159.16 = 27,588.23 : x
  2. Step 2: Convert to fraction form
    86,766.40/130,159.16 = 27,588.23/x
  3. Step 3: Cross multiply
    86,766.40x = 130,159.16 × 27,588.23
  4. Step 4: Simplify right side
    86,766.40x = 3,590,860,842.69
  5. Step 5: Solve for x
    x = 3,590,860,842.69/86,766.40
  6. Step 6: Final answer
    x = 41,385.38

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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.