Home / 54,123.36-74,664.84-32,888.40

Finding the Fourth Proportional to 54,123.36, 74,664.84 and 32,888.40

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Solution

The fourth proportional to 54,123.36, 74,664.84 and 32,888.40 is: 45,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.36 : 74,664.84 = 32,888.40 : x
  2. Step 2: Convert to fraction form
    54,123.36/74,664.84 = 32,888.40/x
  3. Step 3: Cross multiply
    54,123.36x = 74,664.84 × 32,888.40
  4. Step 4: Simplify right side
    54,123.36x = 2,455,607,123.86
  5. Step 5: Solve for x
    x = 2,455,607,123.86/54,123.36
  6. Step 6: Final answer
    x = 45,370.56

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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.