Home / 86,825.64-119,781.36-50,999.49

Finding the Fourth Proportional to 86,825.64, 119,781.36 and 50,999.49

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Solution

The fourth proportional to 86,825.64, 119,781.36 and 50,999.49 is: 70,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.64 : 119,781.36 = 50,999.49 : x
  2. Step 2: Convert to fraction form
    86,825.64/119,781.36 = 50,999.49/x
  3. Step 3: Cross multiply
    86,825.64x = 119,781.36 × 50,999.49
  4. Step 4: Simplify right side
    86,825.64x = 6,108,788,271.51
  5. Step 5: Solve for x
    x = 6,108,788,271.51/86,825.64
  6. Step 6: Final answer
    x = 70,356.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.