Home / 83,419.02-115,119.93-45,693.30

Finding the Fourth Proportional to 83,419.02, 115,119.93 and 45,693.30

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Solution

The fourth proportional to 83,419.02, 115,119.93 and 45,693.30 is: 63,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.02 : 115,119.93 = 45,693.30 : x
  2. Step 2: Convert to fraction form
    83,419.02/115,119.93 = 45,693.30/x
  3. Step 3: Cross multiply
    83,419.02x = 115,119.93 × 45,693.30
  4. Step 4: Simplify right side
    83,419.02x = 5,260,209,497.47
  5. Step 5: Solve for x
    x = 5,260,209,497.47/83,419.02
  6. Step 6: Final answer
    x = 63,057.68

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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.