Home / 48,729.60-73,094.40-45,813.60

Finding the Fourth Proportional to 48,729.60, 73,094.40 and 45,813.60

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Solution

The fourth proportional to 48,729.60, 73,094.40 and 45,813.60 is: 68,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.60 : 73,094.40 = 45,813.60 : x
  2. Step 2: Convert to fraction form
    48,729.60/73,094.40 = 45,813.60/x
  3. Step 3: Cross multiply
    48,729.60x = 73,094.40 × 45,813.60
  4. Step 4: Simplify right side
    48,729.60x = 3,348,717,603.84
  5. Step 5: Solve for x
    x = 3,348,717,603.84/48,729.60
  6. Step 6: Final answer
    x = 68,720.40

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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.