Home / 89,048.07-122,886.54-48,212.64

Finding the Fourth Proportional to 89,048.07, 122,886.54 and 48,212.64

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Solution

The fourth proportional to 89,048.07, 122,886.54 and 48,212.64 is: 66,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.07 : 122,886.54 = 48,212.64 : x
  2. Step 2: Convert to fraction form
    89,048.07/122,886.54 = 48,212.64/x
  3. Step 3: Cross multiply
    89,048.07x = 122,886.54 × 48,212.64
  4. Step 4: Simplify right side
    89,048.07x = 5,924,684,513.87
  5. Step 5: Solve for x
    x = 5,924,684,513.87/89,048.07
  6. Step 6: Final answer
    x = 66,533.55

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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.