Home / 74,934.65-103,412.22-40,946.36

Finding the Fourth Proportional to 74,934.65, 103,412.22 and 40,946.36

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Solution

The fourth proportional to 74,934.65, 103,412.22 and 40,946.36 is: 56,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.65 : 103,412.22 = 40,946.36 : x
  2. Step 2: Convert to fraction form
    74,934.65/103,412.22 = 40,946.36/x
  3. Step 3: Cross multiply
    74,934.65x = 103,412.22 × 40,946.36
  4. Step 4: Simplify right side
    74,934.65x = 4,234,353,988.52
  5. Step 5: Solve for x
    x = 4,234,353,988.52/74,934.65
  6. Step 6: Final answer
    x = 56,507.29

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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.