Home / 52,087.84-78,095.86-20,501.53

Finding the Fourth Proportional to 52,087.84, 78,095.86 and 20,501.53

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Solution

The fourth proportional to 52,087.84, 78,095.86 and 20,501.53 is: 30,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,087.84 : 78,095.86 = 20,501.53 : x
  2. Step 2: Convert to fraction form
    52,087.84/78,095.86 = 20,501.53/x
  3. Step 3: Cross multiply
    52,087.84x = 78,095.86 × 20,501.53
  4. Step 4: Simplify right side
    52,087.84x = 1,601,084,591.04
  5. Step 5: Solve for x
    x = 1,601,084,591.04/52,087.84
  6. Step 6: Final answer
    x = 30,738.16

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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.