Home / 110,729.70-152,810.56-62,981.82

Finding the Fourth Proportional to 110,729.70, 152,810.56 and 62,981.82

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Solution

The fourth proportional to 110,729.70, 152,810.56 and 62,981.82 is: 86,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,729.70 : 152,810.56 = 62,981.82 : x
  2. Step 2: Convert to fraction form
    110,729.70/152,810.56 = 62,981.82/x
  3. Step 3: Cross multiply
    110,729.70x = 152,810.56 × 62,981.82
  4. Step 4: Simplify right side
    110,729.70x = 9,624,287,184.02
  5. Step 5: Solve for x
    x = 9,624,287,184.02/110,729.70
  6. Step 6: Final answer
    x = 86,916.94

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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.