Home / 69,577.38-96,014.16-42,721.02

Finding the Fourth Proportional to 69,577.38, 96,014.16 and 42,721.02

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Solution

The fourth proportional to 69,577.38, 96,014.16 and 42,721.02 is: 58,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,577.38 : 96,014.16 = 42,721.02 : x
  2. Step 2: Convert to fraction form
    69,577.38/96,014.16 = 42,721.02/x
  3. Step 3: Cross multiply
    69,577.38x = 96,014.16 × 42,721.02
  4. Step 4: Simplify right side
    69,577.38x = 4,101,822,849.64
  5. Step 5: Solve for x
    x = 4,101,822,849.64/69,577.38
  6. Step 6: Final answer
    x = 58,953.40

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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.