Home / 52,068.15-78,086.08-18,783.89

Finding the Fourth Proportional to 52,068.15, 78,086.08 and 18,783.89

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Solution

The fourth proportional to 52,068.15, 78,086.08 and 18,783.89 is: 28,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068.15 : 78,086.08 = 18,783.89 : x
  2. Step 2: Convert to fraction form
    52,068.15/78,086.08 = 18,783.89/x
  3. Step 3: Cross multiply
    52,068.15x = 78,086.08 × 18,783.89
  4. Step 4: Simplify right side
    52,068.15x = 1,466,759,852.90
  5. Step 5: Solve for x
    x = 1,466,759,852.90/52,068.15
  6. Step 6: Final answer
    x = 28,170.00

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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.