Home / 112,577.60-168,842.10-49,397.60

Finding the Fourth Proportional to 112,577.60, 168,842.10 and 49,397.60

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Solution

The fourth proportional to 112,577.60, 168,842.10 and 49,397.60 is: 74,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,577.60 : 168,842.10 = 49,397.60 : x
  2. Step 2: Convert to fraction form
    112,577.60/168,842.10 = 49,397.60/x
  3. Step 3: Cross multiply
    112,577.60x = 168,842.10 × 49,397.60
  4. Step 4: Simplify right side
    112,577.60x = 8,340,394,518.96
  5. Step 5: Solve for x
    x = 8,340,394,518.96/112,577.60
  6. Step 6: Final answer
    x = 74,085.74

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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.