Home / 42,702.36-64,055.88-17,744.93

Finding the Fourth Proportional to 42,702.36, 64,055.88 and 17,744.93

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Solution

The fourth proportional to 42,702.36, 64,055.88 and 17,744.93 is: 26,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,702.36 : 64,055.88 = 17,744.93 : x
  2. Step 2: Convert to fraction form
    42,702.36/64,055.88 = 17,744.93/x
  3. Step 3: Cross multiply
    42,702.36x = 64,055.88 × 17,744.93
  4. Step 4: Simplify right side
    42,702.36x = 1,136,667,026.62
  5. Step 5: Solve for x
    x = 1,136,667,026.62/42,702.36
  6. Step 6: Final answer
    x = 26,618.37

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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.