Home / 125,842.51-173,666.32-68,485.53

Finding the Fourth Proportional to 125,842.51, 173,666.32 and 68,485.53

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Solution

The fourth proportional to 125,842.51, 173,666.32 and 68,485.53 is: 94,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,842.51 : 173,666.32 = 68,485.53 : x
  2. Step 2: Convert to fraction form
    125,842.51/173,666.32 = 68,485.53/x
  3. Step 3: Cross multiply
    125,842.51x = 173,666.32 × 68,485.53
  4. Step 4: Simplify right side
    125,842.51x = 11,893,630,448.38
  5. Step 5: Solve for x
    x = 11,893,630,448.38/125,842.51
  6. Step 6: Final answer
    x = 94,512.02

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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.