Home / 74,611.04-111,861.76-35,145.92

Finding the Fourth Proportional to 74,611.04, 111,861.76 and 35,145.92

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Solution

The fourth proportional to 74,611.04, 111,861.76 and 35,145.92 is: 52,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,611.04 : 111,861.76 = 35,145.92 : x
  2. Step 2: Convert to fraction form
    74,611.04/111,861.76 = 35,145.92/x
  3. Step 3: Cross multiply
    74,611.04x = 111,861.76 × 35,145.92
  4. Step 4: Simplify right side
    74,611.04x = 3,931,484,468.02
  5. Step 5: Solve for x
    x = 3,931,484,468.02/74,611.04
  6. Step 6: Final answer
    x = 52,693.07

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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.