Home / 88,103.48-121,531.96-56,236.48

Finding the Fourth Proportional to 88,103.48, 121,531.96 and 56,236.48

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Solution

The fourth proportional to 88,103.48, 121,531.96 and 56,236.48 is: 77,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.48 : 121,531.96 = 56,236.48 : x
  2. Step 2: Convert to fraction form
    88,103.48/121,531.96 = 56,236.48/x
  3. Step 3: Cross multiply
    88,103.48x = 121,531.96 × 56,236.48
  4. Step 4: Simplify right side
    88,103.48x = 6,834,529,637.90
  5. Step 5: Solve for x
    x = 6,834,529,637.90/88,103.48
  6. Step 6: Final answer
    x = 77,573.89

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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.