Home / 55,207.50-76,184.06-31,333.74

Finding the Fourth Proportional to 55,207.50, 76,184.06 and 31,333.74

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Solution

The fourth proportional to 55,207.50, 76,184.06 and 31,333.74 is: 43,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.50 : 76,184.06 = 31,333.74 : x
  2. Step 2: Convert to fraction form
    55,207.50/76,184.06 = 31,333.74/x
  3. Step 3: Cross multiply
    55,207.50x = 76,184.06 × 31,333.74
  4. Step 4: Simplify right side
    55,207.50x = 2,387,131,528.18
  5. Step 5: Solve for x
    x = 2,387,131,528.18/55,207.50
  6. Step 6: Final answer
    x = 43,239.26

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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.