Home / 83,816.52-115,657.09-48,004.39

Finding the Fourth Proportional to 83,816.52, 115,657.09 and 48,004.39

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Solution

The fourth proportional to 83,816.52, 115,657.09 and 48,004.39 is: 66,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.52 : 115,657.09 = 48,004.39 : x
  2. Step 2: Convert to fraction form
    83,816.52/115,657.09 = 48,004.39/x
  3. Step 3: Cross multiply
    83,816.52x = 115,657.09 × 48,004.39
  4. Step 4: Simplify right side
    83,816.52x = 5,552,048,054.63
  5. Step 5: Solve for x
    x = 5,552,048,054.63/83,816.52
  6. Step 6: Final answer
    x = 66,240.50

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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.