Home / 103,634.90-155,445.96-37,071.80

Finding the Fourth Proportional to 103,634.90, 155,445.96 and 37,071.80

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Solution

The fourth proportional to 103,634.90, 155,445.96 and 37,071.80 is: 55,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.90 : 155,445.96 = 37,071.80 : x
  2. Step 2: Convert to fraction form
    103,634.90/155,445.96 = 37,071.80/x
  3. Step 3: Cross multiply
    103,634.90x = 155,445.96 × 37,071.80
  4. Step 4: Simplify right side
    103,634.90x = 5,762,661,539.93
  5. Step 5: Solve for x
    x = 5,762,661,539.93/103,634.90
  6. Step 6: Final answer
    x = 55,605.41

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1.5x scale

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.