Home / 111,639.90-154,063.92-60,653.10

Finding the Fourth Proportional to 111,639.90, 154,063.92 and 60,653.10

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Solution

The fourth proportional to 111,639.90, 154,063.92 and 60,653.10 is: 83,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639.90 : 154,063.92 = 60,653.10 : x
  2. Step 2: Convert to fraction form
    111,639.90/154,063.92 = 60,653.10/x
  3. Step 3: Cross multiply
    111,639.90x = 154,063.92 × 60,653.10
  4. Step 4: Simplify right side
    111,639.90x = 9,344,454,346.15
  5. Step 5: Solve for x
    x = 9,344,454,346.15/111,639.90
  6. Step 6: Final answer
    x = 83,701.74

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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.