Home / 58,079.52-87,085.26-31,777.20

Finding the Fourth Proportional to 58,079.52, 87,085.26 and 31,777.20

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Solution

The fourth proportional to 58,079.52, 87,085.26 and 31,777.20 is: 47,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,079.52 : 87,085.26 = 31,777.20 : x
  2. Step 2: Convert to fraction form
    58,079.52/87,085.26 = 31,777.20/x
  3. Step 3: Cross multiply
    58,079.52x = 87,085.26 × 31,777.20
  4. Step 4: Simplify right side
    58,079.52x = 2,767,325,724.07
  5. Step 5: Solve for x
    x = 2,767,325,724.07/58,079.52
  6. Step 6: Final answer
    x = 47,647.19

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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.