Home / 89,014.88-122,801.28-53,186.96

Finding the Fourth Proportional to 89,014.88, 122,801.28 and 53,186.96

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Solution

The fourth proportional to 89,014.88, 122,801.28 and 53,186.96 is: 73,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,014.88 : 122,801.28 = 53,186.96 : x
  2. Step 2: Convert to fraction form
    89,014.88/122,801.28 = 53,186.96/x
  3. Step 3: Cross multiply
    89,014.88x = 122,801.28 × 53,186.96
  4. Step 4: Simplify right side
    89,014.88x = 6,531,426,767.31
  5. Step 5: Solve for x
    x = 6,531,426,767.31/89,014.88
  6. Step 6: Final answer
    x = 73,374.55

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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.