Home / 115,511.40-173,331.90-48,940.20

Finding the Fourth Proportional to 115,511.40, 173,331.90 and 48,940.20

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Solution

The fourth proportional to 115,511.40, 173,331.90 and 48,940.20 is: 73,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.40 : 173,331.90 = 48,940.20 : x
  2. Step 2: Convert to fraction form
    115,511.40/173,331.90 = 48,940.20/x
  3. Step 3: Cross multiply
    115,511.40x = 173,331.90 × 48,940.20
  4. Step 4: Simplify right side
    115,511.40x = 8,482,897,852.38
  5. Step 5: Solve for x
    x = 8,482,897,852.38/115,511.40
  6. Step 6: Final answer
    x = 73,437.75

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1.5x scale

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.