Home / 78,882.63-118,324.58-26,292.17

Finding the Fourth Proportional to 78,882.63, 118,324.58 and 26,292.17

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Solution

The fourth proportional to 78,882.63, 118,324.58 and 26,292.17 is: 39,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,882.63 : 118,324.58 = 26,292.17 : x
  2. Step 2: Convert to fraction form
    78,882.63/118,324.58 = 26,292.17/x
  3. Step 3: Cross multiply
    78,882.63x = 118,324.58 × 26,292.17
  4. Step 4: Simplify right side
    78,882.63x = 3,111,009,249.45
  5. Step 5: Solve for x
    x = 3,111,009,249.45/78,882.63
  6. Step 6: Final answer
    x = 39,438.46

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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.