Home / 58,289.09-87,435.12-43,591.31

Finding the Fourth Proportional to 58,289.09, 87,435.12 and 43,591.31

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Solution

The fourth proportional to 58,289.09, 87,435.12 and 43,591.31 is: 65,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,289.09 : 87,435.12 = 43,591.31 : x
  2. Step 2: Convert to fraction form
    58,289.09/87,435.12 = 43,591.31/x
  3. Step 3: Cross multiply
    58,289.09x = 87,435.12 × 43,591.31
  4. Step 4: Simplify right side
    58,289.09x = 3,811,411,844.20
  5. Step 5: Solve for x
    x = 3,811,411,844.20/58,289.09
  6. Step 6: Final answer
    x = 65,388.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.