Home / 58,783.02-81,121.41-31,925.58

Finding the Fourth Proportional to 58,783.02, 81,121.41 and 31,925.58

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Solution

The fourth proportional to 58,783.02, 81,121.41 and 31,925.58 is: 44,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.02 : 81,121.41 = 31,925.58 : x
  2. Step 2: Convert to fraction form
    58,783.02/81,121.41 = 31,925.58/x
  3. Step 3: Cross multiply
    58,783.02x = 81,121.41 × 31,925.58
  4. Step 4: Simplify right side
    58,783.02x = 2,589,848,064.67
  5. Step 5: Solve for x
    x = 2,589,848,064.67/58,783.02
  6. Step 6: Final answer
    x = 44,057.76

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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.