Home / 56,136.60-83,957.04-49,940.28

Finding the Fourth Proportional to 56,136.60, 83,957.04 and 49,940.28

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Solution

The fourth proportional to 56,136.60, 83,957.04 and 49,940.28 is: 74,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.60 : 83,957.04 = 49,940.28 : x
  2. Step 2: Convert to fraction form
    56,136.60/83,957.04 = 49,940.28/x
  3. Step 3: Cross multiply
    56,136.60x = 83,957.04 × 49,940.28
  4. Step 4: Simplify right side
    56,136.60x = 4,192,838,085.57
  5. Step 5: Solve for x
    x = 4,192,838,085.57/56,136.60
  6. Step 6: Final answer
    x = 74,689.92

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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.