Home / 91,277.88-136,664.34-46,808.76

Finding the Fourth Proportional to 91,277.88, 136,664.34 and 46,808.76

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Solution

The fourth proportional to 91,277.88, 136,664.34 and 46,808.76 is: 70,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.88 : 136,664.34 = 46,808.76 : x
  2. Step 2: Convert to fraction form
    91,277.88/136,664.34 = 46,808.76/x
  3. Step 3: Cross multiply
    91,277.88x = 136,664.34 × 46,808.76
  4. Step 4: Simplify right side
    91,277.88x = 6,397,088,291.62
  5. Step 5: Solve for x
    x = 6,397,088,291.62/91,277.88
  6. Step 6: Final answer
    x = 70,083.66

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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.