Home / 111,848.45-154,346.31-64,068.57

Finding the Fourth Proportional to 111,848.45, 154,346.31 and 64,068.57

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Solution

The fourth proportional to 111,848.45, 154,346.31 and 64,068.57 is: 88,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,848.45 : 154,346.31 = 64,068.57 : x
  2. Step 2: Convert to fraction form
    111,848.45/154,346.31 = 64,068.57/x
  3. Step 3: Cross multiply
    111,848.45x = 154,346.31 × 64,068.57
  4. Step 4: Simplify right side
    111,848.45x = 9,888,747,366.48
  5. Step 5: Solve for x
    x = 9,888,747,366.48/111,848.45
  6. Step 6: Final answer
    x = 88,412.02

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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.