Home / 113,808.32-157,055.46-62,821.04

Finding the Fourth Proportional to 113,808.32, 157,055.46 and 62,821.04

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Solution

The fourth proportional to 113,808.32, 157,055.46 and 62,821.04 is: 86,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,808.32 : 157,055.46 = 62,821.04 : x
  2. Step 2: Convert to fraction form
    113,808.32/157,055.46 = 62,821.04/x
  3. Step 3: Cross multiply
    113,808.32x = 157,055.46 × 62,821.04
  4. Step 4: Simplify right side
    113,808.32x = 9,866,387,550.83
  5. Step 5: Solve for x
    x = 9,866,387,550.83/113,808.32
  6. Step 6: Final answer
    x = 86,693.02

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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.