Home / 76,078.15-114,089.28-26,144.08

Finding the Fourth Proportional to 76,078.15, 114,089.28 and 26,144.08

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Solution

The fourth proportional to 76,078.15, 114,089.28 and 26,144.08 is: 39,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078.15 : 114,089.28 = 26,144.08 : x
  2. Step 2: Convert to fraction form
    76,078.15/114,089.28 = 26,144.08/x
  3. Step 3: Cross multiply
    76,078.15x = 114,089.28 × 26,144.08
  4. Step 4: Simplify right side
    76,078.15x = 2,982,759,263.46
  5. Step 5: Solve for x
    x = 2,982,759,263.46/76,078.15
  6. Step 6: Final answer
    x = 39,206.52

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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.