Home / 97,759.02-134,918.42-55,320.29

Finding the Fourth Proportional to 97,759.02, 134,918.42 and 55,320.29

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Solution

The fourth proportional to 97,759.02, 134,918.42 and 55,320.29 is: 76,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,759.02 : 134,918.42 = 55,320.29 : x
  2. Step 2: Convert to fraction form
    97,759.02/134,918.42 = 55,320.29/x
  3. Step 3: Cross multiply
    97,759.02x = 134,918.42 × 55,320.29
  4. Step 4: Simplify right side
    97,759.02x = 7,463,726,120.74
  5. Step 5: Solve for x
    x = 7,463,726,120.74/97,759.02
  6. Step 6: Final answer
    x = 76,348.21

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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.