Home / 125,928.37-173,780.98-69,339.25

Finding the Fourth Proportional to 125,928.37, 173,780.98 and 69,339.25

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Solution

The fourth proportional to 125,928.37, 173,780.98 and 69,339.25 is: 95,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.37 : 173,780.98 = 69,339.25 : x
  2. Step 2: Convert to fraction form
    125,928.37/173,780.98 = 69,339.25/x
  3. Step 3: Cross multiply
    125,928.37x = 173,780.98 × 69,339.25
  4. Step 4: Simplify right side
    125,928.37x = 12,049,842,817.47
  5. Step 5: Solve for x
    x = 12,049,842,817.47/125,928.37
  6. Step 6: Final answer
    x = 95,688.07

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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.