Home / 77,582.40-107,060.84-47,418.16

Finding the Fourth Proportional to 77,582.40, 107,060.84 and 47,418.16

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Solution

The fourth proportional to 77,582.40, 107,060.84 and 47,418.16 is: 65,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,582.40 : 107,060.84 = 47,418.16 : x
  2. Step 2: Convert to fraction form
    77,582.40/107,060.84 = 47,418.16/x
  3. Step 3: Cross multiply
    77,582.40x = 107,060.84 × 47,418.16
  4. Step 4: Simplify right side
    77,582.40x = 5,076,628,040.85
  5. Step 5: Solve for x
    x = 5,076,628,040.85/77,582.40
  6. Step 6: Final answer
    x = 65,435.31

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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.