Home / 86,092.64-118,802.40-50,292.80

Finding the Fourth Proportional to 86,092.64, 118,802.40 and 50,292.80

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Solution

The fourth proportional to 86,092.64, 118,802.40 and 50,292.80 is: 69,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,092.64 : 118,802.40 = 50,292.80 : x
  2. Step 2: Convert to fraction form
    86,092.64/118,802.40 = 50,292.80/x
  3. Step 3: Cross multiply
    86,092.64x = 118,802.40 × 50,292.80
  4. Step 4: Simplify right side
    86,092.64x = 5,974,905,342.72
  5. Step 5: Solve for x
    x = 5,974,905,342.72/86,092.64
  6. Step 6: Final answer
    x = 69,400.88

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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.