Home / 97,562.88-134,649.14-55,120.50

Finding the Fourth Proportional to 97,562.88, 134,649.14 and 55,120.50

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Solution

The fourth proportional to 97,562.88, 134,649.14 and 55,120.50 is: 76,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,562.88 : 134,649.14 = 55,120.50 : x
  2. Step 2: Convert to fraction form
    97,562.88/134,649.14 = 55,120.50/x
  3. Step 3: Cross multiply
    97,562.88x = 134,649.14 × 55,120.50
  4. Step 4: Simplify right side
    97,562.88x = 7,421,927,645.77
  5. Step 5: Solve for x
    x = 7,421,927,645.77/97,562.88
  6. Step 6: Final answer
    x = 76,073.27

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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.