Home / 76,860.39-115,294.12-23,548.55

Finding the Fourth Proportional to 76,860.39, 115,294.12 and 23,548.55

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Solution

The fourth proportional to 76,860.39, 115,294.12 and 23,548.55 is: 35,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.39 : 115,294.12 = 23,548.55 : x
  2. Step 2: Convert to fraction form
    76,860.39/115,294.12 = 23,548.55/x
  3. Step 3: Cross multiply
    76,860.39x = 115,294.12 × 23,548.55
  4. Step 4: Simplify right side
    76,860.39x = 2,715,009,349.53
  5. Step 5: Solve for x
    x = 2,715,009,349.53/76,860.39
  6. Step 6: Final answer
    x = 35,323.91

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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.