Home / 78,594.48-117,889.56-34,221.15

Finding the Fourth Proportional to 78,594.48, 117,889.56 and 34,221.15

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Solution

The fourth proportional to 78,594.48, 117,889.56 and 34,221.15 is: 51,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,594.48 : 117,889.56 = 34,221.15 : x
  2. Step 2: Convert to fraction form
    78,594.48/117,889.56 = 34,221.15/x
  3. Step 3: Cross multiply
    78,594.48x = 117,889.56 × 34,221.15
  4. Step 4: Simplify right side
    78,594.48x = 4,034,316,316.19
  5. Step 5: Solve for x
    x = 4,034,316,316.19/78,594.48
  6. Step 6: Final answer
    x = 51,330.78

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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.