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Finding the Fourth Proportional to 83,762.62, 115,592.79 and 46,039.30

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Solution

The fourth proportional to 83,762.62, 115,592.79 and 46,039.30 is: 63,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,762.62 : 115,592.79 = 46,039.30 : x
  2. Step 2: Convert to fraction form
    83,762.62/115,592.79 = 46,039.30/x
  3. Step 3: Cross multiply
    83,762.62x = 115,592.79 × 46,039.30
  4. Step 4: Simplify right side
    83,762.62x = 5,321,811,136.65
  5. Step 5: Solve for x
    x = 5,321,811,136.65/83,762.62
  6. Step 6: Final answer
    x = 63,534.44

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1.5x scale

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.