Home / 125,711.28-173,484.60-69,122.64

Finding the Fourth Proportional to 125,711.28, 173,484.60 and 69,122.64

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Solution

The fourth proportional to 125,711.28, 173,484.60 and 69,122.64 is: 95,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,711.28 : 173,484.60 = 69,122.64 : x
  2. Step 2: Convert to fraction form
    125,711.28/173,484.60 = 69,122.64/x
  3. Step 3: Cross multiply
    125,711.28x = 173,484.60 × 69,122.64
  4. Step 4: Simplify right side
    125,711.28x = 11,991,713,551.34
  5. Step 5: Solve for x
    x = 11,991,713,551.34/125,711.28
  6. Step 6: Final answer
    x = 95,390.91

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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.