Home / 57,558.02-86,337.30-20,117.93

Finding the Fourth Proportional to 57,558.02, 86,337.30 and 20,117.93

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Solution

The fourth proportional to 57,558.02, 86,337.30 and 20,117.93 is: 30,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.02 : 86,337.30 = 20,117.93 : x
  2. Step 2: Convert to fraction form
    57,558.02/86,337.30 = 20,117.93/x
  3. Step 3: Cross multiply
    57,558.02x = 86,337.30 × 20,117.93
  4. Step 4: Simplify right side
    57,558.02x = 1,736,927,757.79
  5. Step 5: Solve for x
    x = 1,736,927,757.79/57,558.02
  6. Step 6: Final answer
    x = 30,176.99

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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.