Home / 78,449.34-117,681.71-22,292.04

Finding the Fourth Proportional to 78,449.34, 117,681.71 and 22,292.04

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Solution

The fourth proportional to 78,449.34, 117,681.71 and 22,292.04 is: 33,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,449.34 : 117,681.71 = 22,292.04 : x
  2. Step 2: Convert to fraction form
    78,449.34/117,681.71 = 22,292.04/x
  3. Step 3: Cross multiply
    78,449.34x = 117,681.71 × 22,292.04
  4. Step 4: Simplify right side
    78,449.34x = 2,623,365,386.59
  5. Step 5: Solve for x
    x = 2,623,365,386.59/78,449.34
  6. Step 6: Final answer
    x = 33,440.25

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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.