Home / 113,808.60-157,055.86-62,821.32

Finding the Fourth Proportional to 113,808.60, 157,055.86 and 62,821.32

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Solution

The fourth proportional to 113,808.60, 157,055.86 and 62,821.32 is: 86,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,808.60 : 157,055.86 = 62,821.32 : x
  2. Step 2: Convert to fraction form
    113,808.60/157,055.86 = 62,821.32/x
  3. Step 3: Cross multiply
    113,808.60x = 157,055.86 × 62,821.32
  4. Step 4: Simplify right side
    113,808.60x = 9,866,456,438.94
  5. Step 5: Solve for x
    x = 9,866,456,438.94/113,808.60
  6. Step 6: Final answer
    x = 86,693.42

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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.