Home / 57,783.07-86,702.10-40,041.03

Finding the Fourth Proportional to 57,783.07, 86,702.10 and 40,041.03

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Solution

The fourth proportional to 57,783.07, 86,702.10 and 40,041.03 is: 60,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,783.07 : 86,702.10 = 40,041.03 : x
  2. Step 2: Convert to fraction form
    57,783.07/86,702.10 = 40,041.03/x
  3. Step 3: Cross multiply
    57,783.07x = 86,702.10 × 40,041.03
  4. Step 4: Simplify right side
    57,783.07x = 3,471,641,562.14
  5. Step 5: Solve for x
    x = 3,471,641,562.14/57,783.07
  6. Step 6: Final answer
    x = 60,080.60

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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.