Home / 53,005.88-73,148.28-29,135.00

Finding the Fourth Proportional to 53,005.88, 73,148.28 and 29,135.00

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Solution

The fourth proportional to 53,005.88, 73,148.28 and 29,135.00 is: 40,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.88 : 73,148.28 = 29,135.00 : x
  2. Step 2: Convert to fraction form
    53,005.88/73,148.28 = 29,135.00/x
  3. Step 3: Cross multiply
    53,005.88x = 73,148.28 × 29,135.00
  4. Step 4: Simplify right side
    53,005.88x = 2,131,175,211.41
  5. Step 5: Solve for x
    x = 2,131,175,211.41/53,005.88
  6. Step 6: Final answer
    x = 40,206.39

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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.