Home / 97,788.48-134,833.80-90,702.60

Finding the Fourth Proportional to 97,788.48, 134,833.80 and 90,702.60

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Solution

The fourth proportional to 97,788.48, 134,833.80 and 90,702.60 is: 125,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.48 : 134,833.80 = 90,702.60 : x
  2. Step 2: Convert to fraction form
    97,788.48/134,833.80 = 90,702.60/x
  3. Step 3: Cross multiply
    97,788.48x = 134,833.80 × 90,702.60
  4. Step 4: Simplify right side
    97,788.48x = 12,229,776,227.88
  5. Step 5: Solve for x
    x = 12,229,776,227.88/97,788.48
  6. Step 6: Final answer
    x = 125,063.57

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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.