Home / 52,061.16-78,092.70-18,783.72

Finding the Fourth Proportional to 52,061.16, 78,092.70 and 18,783.72

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Solution

The fourth proportional to 52,061.16, 78,092.70 and 18,783.72 is: 28,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.16 : 78,092.70 = 18,783.72 : x
  2. Step 2: Convert to fraction form
    52,061.16/78,092.70 = 18,783.72/x
  3. Step 3: Cross multiply
    52,061.16x = 78,092.70 × 18,783.72
  4. Step 4: Simplify right side
    52,061.16x = 1,466,871,410.84
  5. Step 5: Solve for x
    x = 1,466,871,410.84/52,061.16
  6. Step 6: Final answer
    x = 28,175.93

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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.