Home / 89,964.64-124,150.52-49,681.12

Finding the Fourth Proportional to 89,964.64, 124,150.52 and 49,681.12

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Solution

The fourth proportional to 89,964.64, 124,150.52 and 49,681.12 is: 68,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.64 : 124,150.52 = 49,681.12 : x
  2. Step 2: Convert to fraction form
    89,964.64/124,150.52 = 49,681.12/x
  3. Step 3: Cross multiply
    89,964.64x = 124,150.52 × 49,681.12
  4. Step 4: Simplify right side
    89,964.64x = 6,167,937,277.96
  5. Step 5: Solve for x
    x = 6,167,937,277.96/89,964.64
  6. Step 6: Final answer
    x = 68,559.57

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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.