Home / 83,795.81-115,605.49-47,966.67

Finding the Fourth Proportional to 83,795.81, 115,605.49 and 47,966.67

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Solution

The fourth proportional to 83,795.81, 115,605.49 and 47,966.67 is: 66,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,795.81 : 115,605.49 = 47,966.67 : x
  2. Step 2: Convert to fraction form
    83,795.81/115,605.49 = 47,966.67/x
  3. Step 3: Cross multiply
    83,795.81x = 115,605.49 × 47,966.67
  4. Step 4: Simplify right side
    83,795.81x = 5,545,210,389.02
  5. Step 5: Solve for x
    x = 5,545,210,389.02/83,795.81
  6. Step 6: Final answer
    x = 66,175.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.