Home / 125,837.01-173,649.93-72,084.66

Finding the Fourth Proportional to 125,837.01, 173,649.93 and 72,084.66

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Solution

The fourth proportional to 125,837.01, 173,649.93 and 72,084.66 is: 99,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,837.01 : 173,649.93 = 72,084.66 : x
  2. Step 2: Convert to fraction form
    125,837.01/173,649.93 = 72,084.66/x
  3. Step 3: Cross multiply
    125,837.01x = 173,649.93 × 72,084.66
  4. Step 4: Simplify right side
    125,837.01x = 12,517,496,163.07
  5. Step 5: Solve for x
    x = 12,517,496,163.07/125,837.01
  6. Step 6: Final answer
    x = 99,473.88

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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.