Home / 125,890.56-173,729-69,301.52

Finding the Fourth Proportional to 125,890.56, 173,729 and 69,301.52

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Solution

The fourth proportional to 125,890.56, 173,729 and 69,301.52 is: 95,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,890.56 : 173,729 = 69,301.52 : x
  2. Step 2: Convert to fraction form
    125,890.56/173,729 = 69,301.52/x
  3. Step 3: Cross multiply
    125,890.56x = 173,729 × 69,301.52
  4. Step 4: Simplify right side
    125,890.56x = 12,039,683,768.08
  5. Step 5: Solve for x
    x = 12,039,683,768.08/125,890.56
  6. Step 6: Final answer
    x = 95,636.11

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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.