Home / 98,591.36-136,057.92-53,880.96

Finding the Fourth Proportional to 98,591.36, 136,057.92 and 53,880.96

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Solution

The fourth proportional to 98,591.36, 136,057.92 and 53,880.96 is: 74,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,591.36 : 136,057.92 = 53,880.96 : x
  2. Step 2: Convert to fraction form
    98,591.36/136,057.92 = 53,880.96/x
  3. Step 3: Cross multiply
    98,591.36x = 136,057.92 × 53,880.96
  4. Step 4: Simplify right side
    98,591.36x = 7,330,931,345.20
  5. Step 5: Solve for x
    x = 7,330,931,345.20/98,591.36
  6. Step 6: Final answer
    x = 74,356.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.