Home / 109,720.02-151,412.74-59,419.02

Finding the Fourth Proportional to 109,720.02, 151,412.74 and 59,419.02

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Solution

The fourth proportional to 109,720.02, 151,412.74 and 59,419.02 is: 81,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,720.02 : 151,412.74 = 59,419.02 : x
  2. Step 2: Convert to fraction form
    109,720.02/151,412.74 = 59,419.02/x
  3. Step 3: Cross multiply
    109,720.02x = 151,412.74 × 59,419.02
  4. Step 4: Simplify right side
    109,720.02x = 8,996,796,626.31
  5. Step 5: Solve for x
    x = 8,996,796,626.31/109,720.02
  6. Step 6: Final answer
    x = 81,997.77

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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.