Home / 78,896.73-118,346.14-26,306.23

Finding the Fourth Proportional to 78,896.73, 118,346.14 and 26,306.23

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Solution

The fourth proportional to 78,896.73, 118,346.14 and 26,306.23 is: 39,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896.73 : 118,346.14 = 26,306.23 : x
  2. Step 2: Convert to fraction form
    78,896.73/118,346.14 = 26,306.23/x
  3. Step 3: Cross multiply
    78,896.73x = 118,346.14 × 26,306.23
  4. Step 4: Simplify right side
    78,896.73x = 3,113,240,778.45
  5. Step 5: Solve for x
    x = 3,113,240,778.45/78,896.73
  6. Step 6: Final answer
    x = 39,459.69

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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.