Home / 125,988.17-173,864.14-69,399.41

Finding the Fourth Proportional to 125,988.17, 173,864.14 and 69,399.41

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Solution

The fourth proportional to 125,988.17, 173,864.14 and 69,399.41 is: 95,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,988.17 : 173,864.14 = 69,399.41 : x
  2. Step 2: Convert to fraction form
    125,988.17/173,864.14 = 69,399.41/x
  3. Step 3: Cross multiply
    125,988.17x = 173,864.14 × 69,399.41
  4. Step 4: Simplify right side
    125,988.17x = 12,066,067,693.34
  5. Step 5: Solve for x
    x = 12,066,067,693.34/125,988.17
  6. Step 6: Final answer
    x = 95,771.44

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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.