Home / 96,381.02-133,019.78-55,537.20

Finding the Fourth Proportional to 96,381.02, 133,019.78 and 55,537.20

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Solution

The fourth proportional to 96,381.02, 133,019.78 and 55,537.20 is: 76,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,381.02 : 133,019.78 = 55,537.20 : x
  2. Step 2: Convert to fraction form
    96,381.02/133,019.78 = 55,537.20/x
  3. Step 3: Cross multiply
    96,381.02x = 133,019.78 × 55,537.20
  4. Step 4: Simplify right side
    96,381.02x = 7,387,546,125.82
  5. Step 5: Solve for x
    x = 7,387,546,125.82/96,381.02
  6. Step 6: Final answer
    x = 76,649.39

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1.5x scale

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.