Home / 85,848.28-118,529.33-53,631.96

Finding the Fourth Proportional to 85,848.28, 118,529.33 and 53,631.96

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Solution

The fourth proportional to 85,848.28, 118,529.33 and 53,631.96 is: 74,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.28 : 118,529.33 = 53,631.96 : x
  2. Step 2: Convert to fraction form
    85,848.28/118,529.33 = 53,631.96/x
  3. Step 3: Cross multiply
    85,848.28x = 118,529.33 × 53,631.96
  4. Step 4: Simplify right side
    85,848.28x = 6,356,960,285.39
  5. Step 5: Solve for x
    x = 6,356,960,285.39/85,848.28
  6. Step 6: Final answer
    x = 74,048.78

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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.