Home / 74,139.55-111,179.36-46,017.97

Finding the Fourth Proportional to 74,139.55, 111,179.36 and 46,017.97

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Solution

The fourth proportional to 74,139.55, 111,179.36 and 46,017.97 is: 69,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139.55 : 111,179.36 = 46,017.97 : x
  2. Step 2: Convert to fraction form
    74,139.55/111,179.36 = 46,017.97/x
  3. Step 3: Cross multiply
    74,139.55x = 111,179.36 × 46,017.97
  4. Step 4: Simplify right side
    74,139.55x = 5,116,248,223.01
  5. Step 5: Solve for x
    x = 5,116,248,223.01/74,139.55
  6. Step 6: Final answer
    x = 69,008.35

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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.