Home / 58,525.20-87,765.12-21,077.28

Finding the Fourth Proportional to 58,525.20, 87,765.12 and 21,077.28

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Solution

The fourth proportional to 58,525.20, 87,765.12 and 21,077.28 is: 31,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,525.20 : 87,765.12 = 21,077.28 : x
  2. Step 2: Convert to fraction form
    58,525.20/87,765.12 = 21,077.28/x
  3. Step 3: Cross multiply
    58,525.20x = 87,765.12 × 21,077.28
  4. Step 4: Simplify right side
    58,525.20x = 1,849,850,008.47
  5. Step 5: Solve for x
    x = 1,849,850,008.47/58,525.20
  6. Step 6: Final answer
    x = 31,607.75

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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.