Home / 89,259.19-123,177.78-51,533.44

Finding the Fourth Proportional to 89,259.19, 123,177.78 and 51,533.44

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Solution

The fourth proportional to 89,259.19, 123,177.78 and 51,533.44 is: 71,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259.19 : 123,177.78 = 51,533.44 : x
  2. Step 2: Convert to fraction form
    89,259.19/123,177.78 = 51,533.44/x
  3. Step 3: Cross multiply
    89,259.19x = 123,177.78 × 51,533.44
  4. Step 4: Simplify right side
    89,259.19x = 6,347,774,427.02
  5. Step 5: Solve for x
    x = 6,347,774,427.02/89,259.19
  6. Step 6: Final answer
    x = 71,116.20

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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.