Home / 127,587.27-191,408.58-38,838.47

Finding the Fourth Proportional to 127,587.27, 191,408.58 and 38,838.47

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Solution

The fourth proportional to 127,587.27, 191,408.58 and 38,838.47 is: 58,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587.27 : 191,408.58 = 38,838.47 : x
  2. Step 2: Convert to fraction form
    127,587.27/191,408.58 = 38,838.47/x
  3. Step 3: Cross multiply
    127,587.27x = 191,408.58 × 38,838.47
  4. Step 4: Simplify right side
    127,587.27x = 7,434,016,392.07
  5. Step 5: Solve for x
    x = 7,434,016,392.07/127,587.27
  6. Step 6: Final answer
    x = 58,266.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.