Home / 65,239.75-97,875.20-23,123.51

Finding the Fourth Proportional to 65,239.75, 97,875.20 and 23,123.51

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Solution

The fourth proportional to 65,239.75, 97,875.20 and 23,123.51 is: 34,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239.75 : 97,875.20 = 23,123.51 : x
  2. Step 2: Convert to fraction form
    65,239.75/97,875.20 = 23,123.51/x
  3. Step 3: Cross multiply
    65,239.75x = 97,875.20 × 23,123.51
  4. Step 4: Simplify right side
    65,239.75x = 2,263,217,971.35
  5. Step 5: Solve for x
    x = 2,263,217,971.35/65,239.75
  6. Step 6: Final answer
    x = 34,690.78

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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.