Home / 74,616.12-102,979.05-41,915.94

Finding the Fourth Proportional to 74,616.12, 102,979.05 and 41,915.94

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Solution

The fourth proportional to 74,616.12, 102,979.05 and 41,915.94 is: 57,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616.12 : 102,979.05 = 41,915.94 : x
  2. Step 2: Convert to fraction form
    74,616.12/102,979.05 = 41,915.94/x
  3. Step 3: Cross multiply
    74,616.12x = 102,979.05 × 41,915.94
  4. Step 4: Simplify right side
    74,616.12x = 4,316,463,681.06
  5. Step 5: Solve for x
    x = 4,316,463,681.06/74,616.12
  6. Step 6: Final answer
    x = 57,848.94

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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.