Home / 54,743.58-75,588.90-42,840.83

Finding the Fourth Proportional to 54,743.58, 75,588.90 and 42,840.83

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Solution

The fourth proportional to 54,743.58, 75,588.90 and 42,840.83 is: 59,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.58 : 75,588.90 = 42,840.83 : x
  2. Step 2: Convert to fraction form
    54,743.58/75,588.90 = 42,840.83/x
  3. Step 3: Cross multiply
    54,743.58x = 75,588.90 × 42,840.83
  4. Step 4: Simplify right side
    54,743.58x = 3,238,291,243.11
  5. Step 5: Solve for x
    x = 3,238,291,243.11/54,743.58
  6. Step 6: Final answer
    x = 59,153.81

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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.