Home / 97,278.47-134,246.34-54,837

Finding the Fourth Proportional to 97,278.47, 134,246.34 and 54,837

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Solution

The fourth proportional to 97,278.47, 134,246.34 and 54,837 is: 75,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,278.47 : 134,246.34 = 54,837 : x
  2. Step 2: Convert to fraction form
    97,278.47/134,246.34 = 54,837/x
  3. Step 3: Cross multiply
    97,278.47x = 134,246.34 × 54,837
  4. Step 4: Simplify right side
    97,278.47x = 7,361,666,546.58
  5. Step 5: Solve for x
    x = 7,361,666,546.58/97,278.47
  6. Step 6: Final answer
    x = 75,676.22

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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.