Home / 92,976.40-128,308.28-50,535.03

Finding the Fourth Proportional to 92,976.40, 128,308.28 and 50,535.03

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Solution

The fourth proportional to 92,976.40, 128,308.28 and 50,535.03 is: 69,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,976.40 : 128,308.28 = 50,535.03 : x
  2. Step 2: Convert to fraction form
    92,976.40/128,308.28 = 50,535.03/x
  3. Step 3: Cross multiply
    92,976.40x = 128,308.28 × 50,535.03
  4. Step 4: Simplify right side
    92,976.40x = 6,484,062,526.37
  5. Step 5: Solve for x
    x = 6,484,062,526.37/92,976.40
  6. Step 6: Final answer
    x = 69,738.80

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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.