Home / 98,591.43-136,048.46-56,141.67

Finding the Fourth Proportional to 98,591.43, 136,048.46 and 56,141.67

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Solution

The fourth proportional to 98,591.43, 136,048.46 and 56,141.67 is: 77,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,591.43 : 136,048.46 = 56,141.67 : x
  2. Step 2: Convert to fraction form
    98,591.43/136,048.46 = 56,141.67/x
  3. Step 3: Cross multiply
    98,591.43x = 136,048.46 × 56,141.67
  4. Step 4: Simplify right side
    98,591.43x = 7,637,987,464.62
  5. Step 5: Solve for x
    x = 7,637,987,464.62/98,591.43
  6. Step 6: Final answer
    x = 77,471.11

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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.