Home / 98,600.88-136,069.17-56,163.36

Finding the Fourth Proportional to 98,600.88, 136,069.17 and 56,163.36

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Solution

The fourth proportional to 98,600.88, 136,069.17 and 56,163.36 is: 77,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.88 : 136,069.17 = 56,163.36 : x
  2. Step 2: Convert to fraction form
    98,600.88/136,069.17 = 56,163.36/x
  3. Step 3: Cross multiply
    98,600.88x = 136,069.17 × 56,163.36
  4. Step 4: Simplify right side
    98,600.88x = 7,642,101,779.61
  5. Step 5: Solve for x
    x = 7,642,101,779.61/98,600.88
  6. Step 6: Final answer
    x = 77,505.41

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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.