Home / 125,427.15-173,088.90-68,066.73

Finding the Fourth Proportional to 125,427.15, 173,088.90 and 68,066.73

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Solution

The fourth proportional to 125,427.15, 173,088.90 and 68,066.73 is: 93,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,427.15 : 173,088.90 = 68,066.73 : x
  2. Step 2: Convert to fraction form
    125,427.15/173,088.90 = 68,066.73/x
  3. Step 3: Cross multiply
    125,427.15x = 173,088.90 × 68,066.73
  4. Step 4: Simplify right side
    125,427.15x = 11,781,595,422.30
  5. Step 5: Solve for x
    x = 11,781,595,422.30/125,427.15
  6. Step 6: Final answer
    x = 93,931.78

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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.