Home / 112,432.20-168,696.90-53,237.40

Finding the Fourth Proportional to 112,432.20, 168,696.90 and 53,237.40

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Solution

The fourth proportional to 112,432.20, 168,696.90 and 53,237.40 is: 79,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,432.20 : 168,696.90 = 53,237.40 : x
  2. Step 2: Convert to fraction form
    112,432.20/168,696.90 = 53,237.40/x
  3. Step 3: Cross multiply
    112,432.20x = 168,696.90 × 53,237.40
  4. Step 4: Simplify right side
    112,432.20x = 8,980,984,344.06
  5. Step 5: Solve for x
    x = 8,980,984,344.06/112,432.20
  6. Step 6: Final answer
    x = 79,879.11

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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.