Home / 90,889.45-125,394.96-52,628.11

Finding the Fourth Proportional to 90,889.45, 125,394.96 and 52,628.11

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Solution

The fourth proportional to 90,889.45, 125,394.96 and 52,628.11 is: 72,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.45 : 125,394.96 = 52,628.11 : x
  2. Step 2: Convert to fraction form
    90,889.45/125,394.96 = 52,628.11/x
  3. Step 3: Cross multiply
    90,889.45x = 125,394.96 × 52,628.11
  4. Step 4: Simplify right side
    90,889.45x = 6,599,299,748.33
  5. Step 5: Solve for x
    x = 6,599,299,748.33/90,889.45
  6. Step 6: Final answer
    x = 72,607.98

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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.