Home / 76,136.62-105,108.33-47,465.02

Finding the Fourth Proportional to 76,136.62, 105,108.33 and 47,465.02

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Solution

The fourth proportional to 76,136.62, 105,108.33 and 47,465.02 is: 65,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.62 : 105,108.33 = 47,465.02 : x
  2. Step 2: Convert to fraction form
    76,136.62/105,108.33 = 47,465.02/x
  3. Step 3: Cross multiply
    76,136.62x = 105,108.33 × 47,465.02
  4. Step 4: Simplify right side
    76,136.62x = 4,988,968,985.62
  5. Step 5: Solve for x
    x = 4,988,968,985.62/76,136.62
  6. Step 6: Final answer
    x = 65,526.54

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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.