Home / 75,705.60-113,558.40-62,342.40

Finding the Fourth Proportional to 75,705.60, 113,558.40 and 62,342.40

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Solution

The fourth proportional to 75,705.60, 113,558.40 and 62,342.40 is: 93,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705.60 : 113,558.40 = 62,342.40 : x
  2. Step 2: Convert to fraction form
    75,705.60/113,558.40 = 62,342.40/x
  3. Step 3: Cross multiply
    75,705.60x = 113,558.40 × 62,342.40
  4. Step 4: Simplify right side
    75,705.60x = 7,079,503,196.16
  5. Step 5: Solve for x
    x = 7,079,503,196.16/75,705.60
  6. Step 6: Final answer
    x = 93,513.60

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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.