Home / 98,898.84-136,469.52-56,449.17

Finding the Fourth Proportional to 98,898.84, 136,469.52 and 56,449.17

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Solution

The fourth proportional to 98,898.84, 136,469.52 and 56,449.17 is: 77,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.84 : 136,469.52 = 56,449.17 : x
  2. Step 2: Convert to fraction form
    98,898.84/136,469.52 = 56,449.17/x
  3. Step 3: Cross multiply
    98,898.84x = 136,469.52 × 56,449.17
  4. Step 4: Simplify right side
    98,898.84x = 7,703,591,134.30
  5. Step 5: Solve for x
    x = 7,703,591,134.30/98,898.84
  6. Step 6: Final answer
    x = 77,893.65

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1.5x scale

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.