Home / 75,940.08-113,799.36-53,741.40

Finding the Fourth Proportional to 75,940.08, 113,799.36 and 53,741.40

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Solution

The fourth proportional to 75,940.08, 113,799.36 and 53,741.40 is: 80,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,940.08 : 113,799.36 = 53,741.40 : x
  2. Step 2: Convert to fraction form
    75,940.08/113,799.36 = 53,741.40/x
  3. Step 3: Cross multiply
    75,940.08x = 113,799.36 × 53,741.40
  4. Step 4: Simplify right side
    75,940.08x = 6,115,736,925.50
  5. Step 5: Solve for x
    x = 6,115,736,925.50/75,940.08
  6. Step 6: Final answer
    x = 80,533.72

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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.