Home / 124,372.98-171,638.73-70,657.02

Finding the Fourth Proportional to 124,372.98, 171,638.73 and 70,657.02

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Solution

The fourth proportional to 124,372.98, 171,638.73 and 70,657.02 is: 97,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.98 : 171,638.73 = 70,657.02 : x
  2. Step 2: Convert to fraction form
    124,372.98/171,638.73 = 70,657.02/x
  3. Step 3: Cross multiply
    124,372.98x = 171,638.73 × 70,657.02
  4. Step 4: Simplify right side
    124,372.98x = 12,127,481,178.38
  5. Step 5: Solve for x
    x = 12,127,481,178.38/124,372.98
  6. Step 6: Final answer
    x = 97,508.97

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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.