Home / 68,131.04-94,019.16-41,289.20

Finding the Fourth Proportional to 68,131.04, 94,019.16 and 41,289.20

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Solution

The fourth proportional to 68,131.04, 94,019.16 and 41,289.20 is: 56,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.04 : 94,019.16 = 41,289.20 : x
  2. Step 2: Convert to fraction form
    68,131.04/94,019.16 = 41,289.20/x
  3. Step 3: Cross multiply
    68,131.04x = 94,019.16 × 41,289.20
  4. Step 4: Simplify right side
    68,131.04x = 3,881,975,901.07
  5. Step 5: Solve for x
    x = 3,881,975,901.07/68,131.04
  6. Step 6: Final answer
    x = 56,978.08

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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.