Home / 54,312.96-74,521.60-53,381.12

Finding the Fourth Proportional to 54,312.96, 74,521.60 and 53,381.12

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Solution

The fourth proportional to 54,312.96, 74,521.60 and 53,381.12 is: 73,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.96 : 74,521.60 = 53,381.12 : x
  2. Step 2: Convert to fraction form
    54,312.96/74,521.60 = 53,381.12/x
  3. Step 3: Cross multiply
    54,312.96x = 74,521.60 × 53,381.12
  4. Step 4: Simplify right side
    54,312.96x = 3,978,046,472.19
  5. Step 5: Solve for x
    x = 3,978,046,472.19/54,312.96
  6. Step 6: Final answer
    x = 73,243.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.