Home / 125,921.36-173,775.30-69,334.76

Finding the Fourth Proportional to 125,921.36, 173,775.30 and 69,334.76

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Solution

The fourth proportional to 125,921.36, 173,775.30 and 69,334.76 is: 95,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,921.36 : 173,775.30 = 69,334.76 : x
  2. Step 2: Convert to fraction form
    125,921.36/173,775.30 = 69,334.76/x
  3. Step 3: Cross multiply
    125,921.36x = 173,775.30 × 69,334.76
  4. Step 4: Simplify right side
    125,921.36x = 12,048,668,719.43
  5. Step 5: Solve for x
    x = 12,048,668,719.43/125,921.36
  6. Step 6: Final answer
    x = 95,684.07

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1.5x scale

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.