Home / 55,387.10-76,403.41-36,297.66

Finding the Fourth Proportional to 55,387.10, 76,403.41 and 36,297.66

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Solution

The fourth proportional to 55,387.10, 76,403.41 and 36,297.66 is: 50,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.10 : 76,403.41 = 36,297.66 : x
  2. Step 2: Convert to fraction form
    55,387.10/76,403.41 = 36,297.66/x
  3. Step 3: Cross multiply
    55,387.10x = 76,403.41 × 36,297.66
  4. Step 4: Simplify right side
    55,387.10x = 2,773,264,999.02
  5. Step 5: Solve for x
    x = 2,773,264,999.02/55,387.10
  6. Step 6: Final answer
    x = 50,070.59

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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.