Home / 89,112.52-122,973.69-52,838.39

Finding the Fourth Proportional to 89,112.52, 122,973.69 and 52,838.39

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Solution

The fourth proportional to 89,112.52, 122,973.69 and 52,838.39 is: 72,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,112.52 : 122,973.69 = 52,838.39 : x
  2. Step 2: Convert to fraction form
    89,112.52/122,973.69 = 52,838.39/x
  3. Step 3: Cross multiply
    89,112.52x = 122,973.69 × 52,838.39
  4. Step 4: Simplify right side
    89,112.52x = 6,497,732,297.54
  5. Step 5: Solve for x
    x = 6,497,732,297.54/89,112.52
  6. Step 6: Final answer
    x = 72,916.04

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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.