Home / 112,522.50-155,285.13-61,532.26

Finding the Fourth Proportional to 112,522.50, 155,285.13 and 61,532.26

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Solution

The fourth proportional to 112,522.50, 155,285.13 and 61,532.26 is: 84,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,522.50 : 155,285.13 = 61,532.26 : x
  2. Step 2: Convert to fraction form
    112,522.50/155,285.13 = 61,532.26/x
  3. Step 3: Cross multiply
    112,522.50x = 155,285.13 × 61,532.26
  4. Step 4: Simplify right side
    112,522.50x = 9,555,044,835.83
  5. Step 5: Solve for x
    x = 9,555,044,835.83/112,522.50
  6. Step 6: Final answer
    x = 84,916.75

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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.