Home / 115,533.12-173,264.40-48,972

Finding the Fourth Proportional to 115,533.12, 173,264.40 and 48,972

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Solution

The fourth proportional to 115,533.12, 173,264.40 and 48,972 is: 73,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.12 : 173,264.40 = 48,972 : x
  2. Step 2: Convert to fraction form
    115,533.12/173,264.40 = 48,972/x
  3. Step 3: Cross multiply
    115,533.12x = 173,264.40 × 48,972
  4. Step 4: Simplify right side
    115,533.12x = 8,485,104,196.80
  5. Step 5: Solve for x
    x = 8,485,104,196.80/115,533.12
  6. Step 6: Final answer
    x = 73,443.05

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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.