Home / 57,008.07-78,699.20-35,799.03

Finding the Fourth Proportional to 57,008.07, 78,699.20 and 35,799.03

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Solution

The fourth proportional to 57,008.07, 78,699.20 and 35,799.03 is: 49,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.07 : 78,699.20 = 35,799.03 : x
  2. Step 2: Convert to fraction form
    57,008.07/78,699.20 = 35,799.03/x
  3. Step 3: Cross multiply
    57,008.07x = 78,699.20 × 35,799.03
  4. Step 4: Simplify right side
    57,008.07x = 2,817,354,842.78
  5. Step 5: Solve for x
    x = 2,817,354,842.78/57,008.07
  6. Step 6: Final answer
    x = 49,420.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.