Home / 78,422.59-117,567.73-34,015.92

Finding the Fourth Proportional to 78,422.59, 117,567.73 and 34,015.92

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Solution

The fourth proportional to 78,422.59, 117,567.73 and 34,015.92 is: 50,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,422.59 : 117,567.73 = 34,015.92 : x
  2. Step 2: Convert to fraction form
    78,422.59/117,567.73 = 34,015.92/x
  3. Step 3: Cross multiply
    78,422.59x = 117,567.73 × 34,015.92
  4. Step 4: Simplify right side
    78,422.59x = 3,999,174,498.26
  5. Step 5: Solve for x
    x = 3,999,174,498.26/78,422.59
  6. Step 6: Final answer
    x = 50,995.19

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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.