Home / 82,735.04-123,902.53-47,088.38

Finding the Fourth Proportional to 82,735.04, 123,902.53 and 47,088.38

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Solution

The fourth proportional to 82,735.04, 123,902.53 and 47,088.38 is: 70,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,735.04 : 123,902.53 = 47,088.38 : x
  2. Step 2: Convert to fraction form
    82,735.04/123,902.53 = 47,088.38/x
  3. Step 3: Cross multiply
    82,735.04x = 123,902.53 × 47,088.38
  4. Step 4: Simplify right side
    82,735.04x = 5,834,369,415.60
  5. Step 5: Solve for x
    x = 5,834,369,415.60/82,735.04
  6. Step 6: Final answer
    x = 70,518.72

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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.