Home / 92,430.36-127,554.48-49,988.79

Finding the Fourth Proportional to 92,430.36, 127,554.48 and 49,988.79

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Solution

The fourth proportional to 92,430.36, 127,554.48 and 49,988.79 is: 68,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.36 : 127,554.48 = 49,988.79 : x
  2. Step 2: Convert to fraction form
    92,430.36/127,554.48 = 49,988.79/x
  3. Step 3: Cross multiply
    92,430.36x = 127,554.48 × 49,988.79
  4. Step 4: Simplify right side
    92,430.36x = 6,376,294,114.28
  5. Step 5: Solve for x
    x = 6,376,294,114.28/92,430.36
  6. Step 6: Final answer
    x = 68,984.85

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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.