Home / 86,148.03-129,254.45-29,992.35

Finding the Fourth Proportional to 86,148.03, 129,254.45 and 29,992.35

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Solution

The fourth proportional to 86,148.03, 129,254.45 and 29,992.35 is: 44,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.03 : 129,254.45 = 29,992.35 : x
  2. Step 2: Convert to fraction form
    86,148.03/129,254.45 = 29,992.35/x
  3. Step 3: Cross multiply
    86,148.03x = 129,254.45 × 29,992.35
  4. Step 4: Simplify right side
    86,148.03x = 3,876,644,553.50
  5. Step 5: Solve for x
    x = 3,876,644,553.50/86,148.03
  6. Step 6: Final answer
    x = 44,999.81

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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.