Home / 82,839.65-114,386.14-67,528.59

Finding the Fourth Proportional to 82,839.65, 114,386.14 and 67,528.59

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Solution

The fourth proportional to 82,839.65, 114,386.14 and 67,528.59 is: 93,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,839.65 : 114,386.14 = 67,528.59 : x
  2. Step 2: Convert to fraction form
    82,839.65/114,386.14 = 67,528.59/x
  3. Step 3: Cross multiply
    82,839.65x = 114,386.14 × 67,528.59
  4. Step 4: Simplify right side
    82,839.65x = 7,724,334,405.21
  5. Step 5: Solve for x
    x = 7,724,334,405.21/82,839.65
  6. Step 6: Final answer
    x = 93,244.42

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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.