Home / 112,824.96-155,699.52-62,528.64

Finding the Fourth Proportional to 112,824.96, 155,699.52 and 62,528.64

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Solution

The fourth proportional to 112,824.96, 155,699.52 and 62,528.64 is: 86,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,824.96 : 155,699.52 = 62,528.64 : x
  2. Step 2: Convert to fraction form
    112,824.96/155,699.52 = 62,528.64/x
  3. Step 3: Cross multiply
    112,824.96x = 155,699.52 × 62,528.64
  4. Step 4: Simplify right side
    112,824.96x = 9,735,679,234.25
  5. Step 5: Solve for x
    x = 9,735,679,234.25/112,824.96
  6. Step 6: Final answer
    x = 86,290.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.