Home / 125,372.64-173,017.29-68,784.02

Finding the Fourth Proportional to 125,372.64, 173,017.29 and 68,784.02

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Solution

The fourth proportional to 125,372.64, 173,017.29 and 68,784.02 is: 94,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,372.64 : 173,017.29 = 68,784.02 : x
  2. Step 2: Convert to fraction form
    125,372.64/173,017.29 = 68,784.02/x
  3. Step 3: Cross multiply
    125,372.64x = 173,017.29 × 68,784.02
  4. Step 4: Simplify right side
    125,372.64x = 11,900,824,735.71
  5. Step 5: Solve for x
    x = 11,900,824,735.71/125,372.64
  6. Step 6: Final answer
    x = 94,923.62

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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.