Home / 112,372.81-155,074.01-62,071.81

Finding the Fourth Proportional to 112,372.81, 155,074.01 and 62,071.81

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Solution

The fourth proportional to 112,372.81, 155,074.01 and 62,071.81 is: 85,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,372.81 : 155,074.01 = 62,071.81 : x
  2. Step 2: Convert to fraction form
    112,372.81/155,074.01 = 62,071.81/x
  3. Step 3: Cross multiply
    112,372.81x = 155,074.01 × 62,071.81
  4. Step 4: Simplify right side
    112,372.81x = 9,625,724,174.30
  5. Step 5: Solve for x
    x = 9,625,724,174.30/112,372.81
  6. Step 6: Final answer
    x = 85,658.84

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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.