Home / 74,681.38-103,098.18-49,204.45

Finding the Fourth Proportional to 74,681.38, 103,098.18 and 49,204.45

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Solution

The fourth proportional to 74,681.38, 103,098.18 and 49,204.45 is: 67,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681.38 : 103,098.18 = 49,204.45 : x
  2. Step 2: Convert to fraction form
    74,681.38/103,098.18 = 49,204.45/x
  3. Step 3: Cross multiply
    74,681.38x = 103,098.18 × 49,204.45
  4. Step 4: Simplify right side
    74,681.38x = 5,072,889,242.90
  5. Step 5: Solve for x
    x = 5,072,889,242.90/74,681.38
  6. Step 6: Final answer
    x = 67,927.10

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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.