Home / 86,538.84-119,427.72-48,812.28

Finding the Fourth Proportional to 86,538.84, 119,427.72 and 48,812.28

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Solution

The fourth proportional to 86,538.84, 119,427.72 and 48,812.28 is: 67,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.84 : 119,427.72 = 48,812.28 : x
  2. Step 2: Convert to fraction form
    86,538.84/119,427.72 = 48,812.28/x
  3. Step 3: Cross multiply
    86,538.84x = 119,427.72 × 48,812.28
  4. Step 4: Simplify right side
    86,538.84x = 5,829,539,308.40
  5. Step 5: Solve for x
    x = 5,829,539,308.40/86,538.84
  6. Step 6: Final answer
    x = 67,363.27

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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.