Home / 120,533.64-180,758.54-49,436.10

Finding the Fourth Proportional to 120,533.64, 180,758.54 and 49,436.10

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Solution

The fourth proportional to 120,533.64, 180,758.54 and 49,436.10 is: 74,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,533.64 : 180,758.54 = 49,436.10 : x
  2. Step 2: Convert to fraction form
    120,533.64/180,758.54 = 49,436.10/x
  3. Step 3: Cross multiply
    120,533.64x = 180,758.54 × 49,436.10
  4. Step 4: Simplify right side
    120,533.64x = 8,935,997,259.29
  5. Step 5: Solve for x
    x = 8,935,997,259.29/120,533.64
  6. Step 6: Final answer
    x = 74,136.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.