Home / 124,485.80-186,653.28-49,617.32

Finding the Fourth Proportional to 124,485.80, 186,653.28 and 49,617.32

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Solution

The fourth proportional to 124,485.80, 186,653.28 and 49,617.32 is: 74,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.80 : 186,653.28 = 49,617.32 : x
  2. Step 2: Convert to fraction form
    124,485.80/186,653.28 = 49,617.32/x
  3. Step 3: Cross multiply
    124,485.80x = 186,653.28 × 49,617.32
  4. Step 4: Simplify right side
    124,485.80x = 9,261,235,522.81
  5. Step 5: Solve for x
    x = 9,261,235,522.81/124,485.80
  6. Step 6: Final answer
    x = 74,395.92

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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.