Home / 78,293.04-117,439.56-22,889.04

Finding the Fourth Proportional to 78,293.04, 117,439.56 and 22,889.04

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Solution

The fourth proportional to 78,293.04, 117,439.56 and 22,889.04 is: 34,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,293.04 : 117,439.56 = 22,889.04 : x
  2. Step 2: Convert to fraction form
    78,293.04/117,439.56 = 22,889.04/x
  3. Step 3: Cross multiply
    78,293.04x = 117,439.56 × 22,889.04
  4. Step 4: Simplify right side
    78,293.04x = 2,688,078,786.42
  5. Step 5: Solve for x
    x = 2,688,078,786.42/78,293.04
  6. Step 6: Final answer
    x = 34,333.56

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1.5x scale

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.