Home / 78,743.84-118,095.60-23,326.88

Finding the Fourth Proportional to 78,743.84, 118,095.60 and 23,326.88

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Solution

The fourth proportional to 78,743.84, 118,095.60 and 23,326.88 is: 34,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,743.84 : 118,095.60 = 23,326.88 : x
  2. Step 2: Convert to fraction form
    78,743.84/118,095.60 = 23,326.88/x
  3. Step 3: Cross multiply
    78,743.84x = 118,095.60 × 23,326.88
  4. Step 4: Simplify right side
    78,743.84x = 2,754,801,889.73
  5. Step 5: Solve for x
    x = 2,754,801,889.73/78,743.84
  6. Step 6: Final answer
    x = 34,984.35

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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.