Home / 91,966.50-137,949.75-26,302.50

Finding the Fourth Proportional to 91,966.50, 137,949.75 and 26,302.50

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Solution

The fourth proportional to 91,966.50, 137,949.75 and 26,302.50 is: 39,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.50 : 137,949.75 = 26,302.50 : x
  2. Step 2: Convert to fraction form
    91,966.50/137,949.75 = 26,302.50/x
  3. Step 3: Cross multiply
    91,966.50x = 137,949.75 × 26,302.50
  4. Step 4: Simplify right side
    91,966.50x = 3,628,423,299.38
  5. Step 5: Solve for x
    x = 3,628,423,299.38/91,966.50
  6. Step 6: Final answer
    x = 39,453.75

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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.