Home / 113,007.56-155,957.64-62,706.56

Finding the Fourth Proportional to 113,007.56, 155,957.64 and 62,706.56

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Solution

The fourth proportional to 113,007.56, 155,957.64 and 62,706.56 is: 86,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,007.56 : 155,957.64 = 62,706.56 : x
  2. Step 2: Convert to fraction form
    113,007.56/155,957.64 = 62,706.56/x
  3. Step 3: Cross multiply
    113,007.56x = 155,957.64 × 62,706.56
  4. Step 4: Simplify right side
    113,007.56x = 9,779,567,110.12
  5. Step 5: Solve for x
    x = 9,779,567,110.12/113,007.56
  6. Step 6: Final answer
    x = 86,539.05

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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.