Home / 125,856.72-173,683.44-69,268.50

Finding the Fourth Proportional to 125,856.72, 173,683.44 and 69,268.50

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Solution

The fourth proportional to 125,856.72, 173,683.44 and 69,268.50 is: 95,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,856.72 : 173,683.44 = 69,268.50 : x
  2. Step 2: Convert to fraction form
    125,856.72/173,683.44 = 69,268.50/x
  3. Step 3: Cross multiply
    125,856.72x = 173,683.44 × 69,268.50
  4. Step 4: Simplify right side
    125,856.72x = 12,030,791,363.64
  5. Step 5: Solve for x
    x = 12,030,791,363.64/125,856.72
  6. Step 6: Final answer
    x = 95,591.17

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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.