Home / 61,721.62-92,586.75-30,548.50

Finding the Fourth Proportional to 61,721.62, 92,586.75 and 30,548.50

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Solution

The fourth proportional to 61,721.62, 92,586.75 and 30,548.50 is: 45,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.62 : 92,586.75 = 30,548.50 : x
  2. Step 2: Convert to fraction form
    61,721.62/92,586.75 = 30,548.50/x
  3. Step 3: Cross multiply
    61,721.62x = 92,586.75 × 30,548.50
  4. Step 4: Simplify right side
    61,721.62x = 2,828,386,332.38
  5. Step 5: Solve for x
    x = 2,828,386,332.38/61,721.62
  6. Step 6: Final answer
    x = 45,824.89

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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.