Home / 125,026.22-172,509.54-74,054.90

Finding the Fourth Proportional to 125,026.22, 172,509.54 and 74,054.90

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Solution

The fourth proportional to 125,026.22, 172,509.54 and 74,054.90 is: 102,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026.22 : 172,509.54 = 74,054.90 : x
  2. Step 2: Convert to fraction form
    125,026.22/172,509.54 = 74,054.90/x
  3. Step 3: Cross multiply
    125,026.22x = 172,509.54 × 74,054.90
  4. Step 4: Simplify right side
    125,026.22x = 12,775,176,733.75
  5. Step 5: Solve for x
    x = 12,775,176,733.75/125,026.22
  6. Step 6: Final answer
    x = 102,179.98

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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.