Home / 57,114.95-78,807.68-36,969.03

Finding the Fourth Proportional to 57,114.95, 78,807.68 and 36,969.03

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Solution

The fourth proportional to 57,114.95, 78,807.68 and 36,969.03 is: 51,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.95 : 78,807.68 = 36,969.03 : x
  2. Step 2: Convert to fraction form
    57,114.95/78,807.68 = 36,969.03/x
  3. Step 3: Cross multiply
    57,114.95x = 78,807.68 × 36,969.03
  4. Step 4: Simplify right side
    57,114.95x = 2,913,443,301.31
  5. Step 5: Solve for x
    x = 2,913,443,301.31/57,114.95
  6. Step 6: Final answer
    x = 51,010.17

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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.