Home / 90,817.95-125,329.40-50,533.41

Finding the Fourth Proportional to 90,817.95, 125,329.40 and 50,533.41

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Solution

The fourth proportional to 90,817.95, 125,329.40 and 50,533.41 is: 69,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.95 : 125,329.40 = 50,533.41 : x
  2. Step 2: Convert to fraction form
    90,817.95/125,329.40 = 50,533.41/x
  3. Step 3: Cross multiply
    90,817.95x = 125,329.40 × 50,533.41
  4. Step 4: Simplify right side
    90,817.95x = 6,333,321,955.25
  5. Step 5: Solve for x
    x = 6,333,321,955.25/90,817.95
  6. Step 6: Final answer
    x = 69,736.46

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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.