Home / 86,175.96-129,263.94-39,396

Finding the Fourth Proportional to 86,175.96, 129,263.94 and 39,396

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Solution

The fourth proportional to 86,175.96, 129,263.94 and 39,396 is: 59,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,175.96 : 129,263.94 = 39,396 : x
  2. Step 2: Convert to fraction form
    86,175.96/129,263.94 = 39,396/x
  3. Step 3: Cross multiply
    86,175.96x = 129,263.94 × 39,396
  4. Step 4: Simplify right side
    86,175.96x = 5,092,482,180.24
  5. Step 5: Solve for x
    x = 5,092,482,180.24/86,175.96
  6. Step 6: Final answer
    x = 59,094.00

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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.