Home / 42,445.70-63,681.29-17,132.19

Finding the Fourth Proportional to 42,445.70, 63,681.29 and 17,132.19

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Solution

The fourth proportional to 42,445.70, 63,681.29 and 17,132.19 is: 25,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.70 : 63,681.29 = 17,132.19 : x
  2. Step 2: Convert to fraction form
    42,445.70/63,681.29 = 17,132.19/x
  3. Step 3: Cross multiply
    42,445.70x = 63,681.29 × 17,132.19
  4. Step 4: Simplify right side
    42,445.70x = 1,090,999,874.06
  5. Step 5: Solve for x
    x = 1,090,999,874.06/42,445.70
  6. Step 6: Final answer
    x = 25,703.42

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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.