Home / 75,017.10-112,328.82-48,641.88

Finding the Fourth Proportional to 75,017.10, 112,328.82 and 48,641.88

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Solution

The fourth proportional to 75,017.10, 112,328.82 and 48,641.88 is: 72,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.10 : 112,328.82 = 48,641.88 : x
  2. Step 2: Convert to fraction form
    75,017.10/112,328.82 = 48,641.88/x
  3. Step 3: Cross multiply
    75,017.10x = 112,328.82 × 48,641.88
  4. Step 4: Simplify right side
    75,017.10x = 5,463,884,982.98
  5. Step 5: Solve for x
    x = 5,463,884,982.98/75,017.10
  6. Step 6: Final answer
    x = 72,835.19

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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.