Home / 58,303.24-87,463-28,721.32

Finding the Fourth Proportional to 58,303.24, 87,463 and 28,721.32

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Solution

The fourth proportional to 58,303.24, 87,463 and 28,721.32 is: 43,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,303.24 : 87,463 = 28,721.32 : x
  2. Step 2: Convert to fraction form
    58,303.24/87,463 = 28,721.32/x
  3. Step 3: Cross multiply
    58,303.24x = 87,463 × 28,721.32
  4. Step 4: Simplify right side
    58,303.24x = 2,512,052,811.16
  5. Step 5: Solve for x
    x = 2,512,052,811.16/58,303.24
  6. Step 6: Final answer
    x = 43,085.99

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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.