Home / 78,232.03-117,346.83-31,483.69

Finding the Fourth Proportional to 78,232.03, 117,346.83 and 31,483.69

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Solution

The fourth proportional to 78,232.03, 117,346.83 and 31,483.69 is: 47,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,232.03 : 117,346.83 = 31,483.69 : x
  2. Step 2: Convert to fraction form
    78,232.03/117,346.83 = 31,483.69/x
  3. Step 3: Cross multiply
    78,232.03x = 117,346.83 × 31,483.69
  4. Step 4: Simplify right side
    78,232.03x = 3,694,510,806.77
  5. Step 5: Solve for x
    x = 3,694,510,806.77/78,232.03
  6. Step 6: Final answer
    x = 47,225.04

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1.5x scale

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.