Home / 65,918.13-98,877.09-26,475.21

Finding the Fourth Proportional to 65,918.13, 98,877.09 and 26,475.21

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Solution

The fourth proportional to 65,918.13, 98,877.09 and 26,475.21 is: 39,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.13 : 98,877.09 = 26,475.21 : x
  2. Step 2: Convert to fraction form
    65,918.13/98,877.09 = 26,475.21/x
  3. Step 3: Cross multiply
    65,918.13x = 98,877.09 × 26,475.21
  4. Step 4: Simplify right side
    65,918.13x = 2,617,791,721.94
  5. Step 5: Solve for x
    x = 2,617,791,721.94/65,918.13
  6. Step 6: Final answer
    x = 39,712.77

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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.