Home / 98,553.98-136,004.63-56,112.54

Finding the Fourth Proportional to 98,553.98, 136,004.63 and 56,112.54

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Solution

The fourth proportional to 98,553.98, 136,004.63 and 56,112.54 is: 77,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,553.98 : 136,004.63 = 56,112.54 : x
  2. Step 2: Convert to fraction form
    98,553.98/136,004.63 = 56,112.54/x
  3. Step 3: Cross multiply
    98,553.98x = 136,004.63 × 56,112.54
  4. Step 4: Simplify right side
    98,553.98x = 7,631,564,960.50
  5. Step 5: Solve for x
    x = 7,631,564,960.50/98,553.98
  6. Step 6: Final answer
    x = 77,435.38

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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.