Home / 115,880.40-173,820.60-49,322.70

Finding the Fourth Proportional to 115,880.40, 173,820.60 and 49,322.70

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Solution

The fourth proportional to 115,880.40, 173,820.60 and 49,322.70 is: 73,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,880.40 : 173,820.60 = 49,322.70 : x
  2. Step 2: Convert to fraction form
    115,880.40/173,820.60 = 49,322.70/x
  3. Step 3: Cross multiply
    115,880.40x = 173,820.60 × 49,322.70
  4. Step 4: Simplify right side
    115,880.40x = 8,573,301,307.62
  5. Step 5: Solve for x
    x = 8,573,301,307.62/115,880.40
  6. Step 6: Final answer
    x = 73,984.05

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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.