Home / 125,670.12-173,421.72-68,308.08

Finding the Fourth Proportional to 125,670.12, 173,421.72 and 68,308.08

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Solution

The fourth proportional to 125,670.12, 173,421.72 and 68,308.08 is: 94,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.12 : 173,421.72 = 68,308.08 : x
  2. Step 2: Convert to fraction form
    125,670.12/173,421.72 = 68,308.08/x
  3. Step 3: Cross multiply
    125,670.12x = 173,421.72 × 68,308.08
  4. Step 4: Simplify right side
    125,670.12x = 11,846,104,723.50
  5. Step 5: Solve for x
    x = 11,846,104,723.50/125,670.12
  6. Step 6: Final answer
    x = 94,263.49

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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.