Home / 97,684.56-146,428.08-38,497.20

Finding the Fourth Proportional to 97,684.56, 146,428.08 and 38,497.20

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Solution

The fourth proportional to 97,684.56, 146,428.08 and 38,497.20 is: 57,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,684.56 : 146,428.08 = 38,497.20 : x
  2. Step 2: Convert to fraction form
    97,684.56/146,428.08 = 38,497.20/x
  3. Step 3: Cross multiply
    97,684.56x = 146,428.08 × 38,497.20
  4. Step 4: Simplify right side
    97,684.56x = 5,637,071,081.38
  5. Step 5: Solve for x
    x = 5,637,071,081.38/97,684.56
  6. Step 6: Final answer
    x = 57,706.88

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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.