Home / 56,315.04-77,683.62-36,174.89

Finding the Fourth Proportional to 56,315.04, 77,683.62 and 36,174.89

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Solution

The fourth proportional to 56,315.04, 77,683.62 and 36,174.89 is: 49,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.04 : 77,683.62 = 36,174.89 : x
  2. Step 2: Convert to fraction form
    56,315.04/77,683.62 = 36,174.89/x
  3. Step 3: Cross multiply
    56,315.04x = 77,683.62 × 36,174.89
  4. Step 4: Simplify right side
    56,315.04x = 2,810,196,408.30
  5. Step 5: Solve for x
    x = 2,810,196,408.30/56,315.04
  6. Step 6: Final answer
    x = 49,901.35

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1.5x scale

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.