Home / 52,591.49-78,915.93-30,448.11

Finding the Fourth Proportional to 52,591.49, 78,915.93 and 30,448.11

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Solution

The fourth proportional to 52,591.49, 78,915.93 and 30,448.11 is: 45,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,591.49 : 78,915.93 = 30,448.11 : x
  2. Step 2: Convert to fraction form
    52,591.49/78,915.93 = 30,448.11/x
  3. Step 3: Cross multiply
    52,591.49x = 78,915.93 × 30,448.11
  4. Step 4: Simplify right side
    52,591.49x = 2,402,840,917.39
  5. Step 5: Solve for x
    x = 2,402,840,917.39/52,591.49
  6. Step 6: Final answer
    x = 45,688.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.