Home / 52,640.18-72,656.36-29,992.53

Finding the Fourth Proportional to 52,640.18, 72,656.36 and 29,992.53

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Solution

The fourth proportional to 52,640.18, 72,656.36 and 29,992.53 is: 41,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.18 : 72,656.36 = 29,992.53 : x
  2. Step 2: Convert to fraction form
    52,640.18/72,656.36 = 29,992.53/x
  3. Step 3: Cross multiply
    52,640.18x = 72,656.36 × 29,992.53
  4. Step 4: Simplify right side
    52,640.18x = 2,179,148,056.99
  5. Step 5: Solve for x
    x = 2,179,148,056.99/52,640.18
  6. Step 6: Final answer
    x = 41,397.05

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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.