Home / 90,816.95-125,328.02-50,532.41

Finding the Fourth Proportional to 90,816.95, 125,328.02 and 50,532.41

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Solution

The fourth proportional to 90,816.95, 125,328.02 and 50,532.41 is: 69,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.95 : 125,328.02 = 50,532.41 : x
  2. Step 2: Convert to fraction form
    90,816.95/125,328.02 = 50,532.41/x
  3. Step 3: Cross multiply
    90,816.95x = 125,328.02 × 50,532.41
  4. Step 4: Simplify right side
    90,816.95x = 6,333,126,011.83
  5. Step 5: Solve for x
    x = 6,333,126,011.83/90,816.95
  6. Step 6: Final answer
    x = 69,735.07

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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.