Home / 125,254.96-172,848.27-71,538.87

Finding the Fourth Proportional to 125,254.96, 172,848.27 and 71,538.87

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Solution

The fourth proportional to 125,254.96, 172,848.27 and 71,538.87 is: 98,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.96 : 172,848.27 = 71,538.87 : x
  2. Step 2: Convert to fraction form
    125,254.96/172,848.27 = 71,538.87/x
  3. Step 3: Cross multiply
    125,254.96x = 172,848.27 × 71,538.87
  4. Step 4: Simplify right side
    125,254.96x = 12,365,369,917.25
  5. Step 5: Solve for x
    x = 12,365,369,917.25/125,254.96
  6. Step 6: Final answer
    x = 98,721.60

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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.