Home / 65,140.65-97,875-41,459.09

Finding the Fourth Proportional to 65,140.65, 97,875 and 41,459.09

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Solution

The fourth proportional to 65,140.65, 97,875 and 41,459.09 is: 62,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,140.65 : 97,875 = 41,459.09 : x
  2. Step 2: Convert to fraction form
    65,140.65/97,875 = 41,459.09/x
  3. Step 3: Cross multiply
    65,140.65x = 97,875 × 41,459.09
  4. Step 4: Simplify right side
    65,140.65x = 4,057,807,944.38
  5. Step 5: Solve for x
    x = 4,057,807,944.38/65,140.65
  6. Step 6: Final answer
    x = 62,293.02

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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.