Home / 47,817.12-65,948.36-42,443.49

Finding the Fourth Proportional to 47,817.12, 65,948.36 and 42,443.49

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Solution

The fourth proportional to 47,817.12, 65,948.36 and 42,443.49 is: 58,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.12 : 65,948.36 = 42,443.49 : x
  2. Step 2: Convert to fraction form
    47,817.12/65,948.36 = 42,443.49/x
  3. Step 3: Cross multiply
    47,817.12x = 65,948.36 × 42,443.49
  4. Step 4: Simplify right side
    47,817.12x = 2,799,078,558.18
  5. Step 5: Solve for x
    x = 2,799,078,558.18/47,817.12
  6. Step 6: Final answer
    x = 58,537.16

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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.