Home / 125,054.02-172,590.98-71,326.72

Finding the Fourth Proportional to 125,054.02, 172,590.98 and 71,326.72

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Solution

The fourth proportional to 125,054.02, 172,590.98 and 71,326.72 is: 98,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,054.02 : 172,590.98 = 71,326.72 : x
  2. Step 2: Convert to fraction form
    125,054.02/172,590.98 = 71,326.72/x
  3. Step 3: Cross multiply
    125,054.02x = 172,590.98 × 71,326.72
  4. Step 4: Simplify right side
    125,054.02x = 12,310,348,504.99
  5. Step 5: Solve for x
    x = 12,310,348,504.99/125,054.02
  6. Step 6: Final answer
    x = 98,440.25

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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.