Home / 54,220.93-74,810.64-31,245.10

Finding the Fourth Proportional to 54,220.93, 74,810.64 and 31,245.10

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Solution

The fourth proportional to 54,220.93, 74,810.64 and 31,245.10 is: 43,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.93 : 74,810.64 = 31,245.10 : x
  2. Step 2: Convert to fraction form
    54,220.93/74,810.64 = 31,245.10/x
  3. Step 3: Cross multiply
    54,220.93x = 74,810.64 × 31,245.10
  4. Step 4: Simplify right side
    54,220.93x = 2,337,465,927.86
  5. Step 5: Solve for x
    x = 2,337,465,927.86/54,220.93
  6. Step 6: Final answer
    x = 43,110.03

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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.