Home / 102,091.02-153,003.48-52,129.01

Finding the Fourth Proportional to 102,091.02, 153,003.48 and 52,129.01

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Solution

The fourth proportional to 102,091.02, 153,003.48 and 52,129.01 is: 78,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,091.02 : 153,003.48 = 52,129.01 : x
  2. Step 2: Convert to fraction form
    102,091.02/153,003.48 = 52,129.01/x
  3. Step 3: Cross multiply
    102,091.02x = 153,003.48 × 52,129.01
  4. Step 4: Simplify right side
    102,091.02x = 7,975,919,938.95
  5. Step 5: Solve for x
    x = 7,975,919,938.95/102,091.02
  6. Step 6: Final answer
    x = 78,125.58

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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.