Home / 58,575.02-87,658.40-47,921.90

Finding the Fourth Proportional to 58,575.02, 87,658.40 and 47,921.90

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Solution

The fourth proportional to 58,575.02, 87,658.40 and 47,921.90 is: 71,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,575.02 : 87,658.40 = 47,921.90 : x
  2. Step 2: Convert to fraction form
    58,575.02/87,658.40 = 47,921.90/x
  3. Step 3: Cross multiply
    58,575.02x = 87,658.40 × 47,921.90
  4. Step 4: Simplify right side
    58,575.02x = 4,200,757,078.96
  5. Step 5: Solve for x
    x = 4,200,757,078.96/58,575.02
  6. Step 6: Final answer
    x = 71,715.85

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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.