Home / 48,779.68-72,732.35-47,893.96

Finding the Fourth Proportional to 48,779.68, 72,732.35 and 47,893.96

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Solution

The fourth proportional to 48,779.68, 72,732.35 and 47,893.96 is: 71,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.68 : 72,732.35 = 47,893.96 : x
  2. Step 2: Convert to fraction form
    48,779.68/72,732.35 = 47,893.96/x
  3. Step 3: Cross multiply
    48,779.68x = 72,732.35 × 47,893.96
  4. Step 4: Simplify right side
    48,779.68x = 3,483,440,261.61
  5. Step 5: Solve for x
    x = 3,483,440,261.61/48,779.68
  6. Step 6: Final answer
    x = 71,411.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.