Home / 67,828.12-93,583.68-53,443.34

Finding the Fourth Proportional to 67,828.12, 93,583.68 and 53,443.34

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Solution

The fourth proportional to 67,828.12, 93,583.68 and 53,443.34 is: 73,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828.12 : 93,583.68 = 53,443.34 : x
  2. Step 2: Convert to fraction form
    67,828.12/93,583.68 = 53,443.34/x
  3. Step 3: Cross multiply
    67,828.12x = 93,583.68 × 53,443.34
  4. Step 4: Simplify right side
    67,828.12x = 5,001,424,428.69
  5. Step 5: Solve for x
    x = 5,001,424,428.69/67,828.12
  6. Step 6: Final answer
    x = 73,736.74

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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.