Home / 92,512.07-127,668.98-56,721.81

Finding the Fourth Proportional to 92,512.07, 127,668.98 and 56,721.81

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Solution

The fourth proportional to 92,512.07, 127,668.98 and 56,721.81 is: 78,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512.07 : 127,668.98 = 56,721.81 : x
  2. Step 2: Convert to fraction form
    92,512.07/127,668.98 = 56,721.81/x
  3. Step 3: Cross multiply
    92,512.07x = 127,668.98 × 56,721.81
  4. Step 4: Simplify right side
    92,512.07x = 7,241,615,768.26
  5. Step 5: Solve for x
    x = 7,241,615,768.26/92,512.07
  6. Step 6: Final answer
    x = 78,277.53

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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.