Home / 86,070.16-118,772.52-52,086.16

Finding the Fourth Proportional to 86,070.16, 118,772.52 and 52,086.16

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Solution

The fourth proportional to 86,070.16, 118,772.52 and 52,086.16 is: 71,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,070.16 : 118,772.52 = 52,086.16 : x
  2. Step 2: Convert to fraction form
    86,070.16/118,772.52 = 52,086.16/x
  3. Step 3: Cross multiply
    86,070.16x = 118,772.52 × 52,086.16
  4. Step 4: Simplify right side
    86,070.16x = 6,186,404,480.32
  5. Step 5: Solve for x
    x = 6,186,404,480.32/86,070.16
  6. Step 6: Final answer
    x = 71,876.30

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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.