Home / 74,291.30-102,497.06-42,437.65

Finding the Fourth Proportional to 74,291.30, 102,497.06 and 42,437.65

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Solution

The fourth proportional to 74,291.30, 102,497.06 and 42,437.65 is: 58,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.30 : 102,497.06 = 42,437.65 : x
  2. Step 2: Convert to fraction form
    74,291.30/102,497.06 = 42,437.65/x
  3. Step 3: Cross multiply
    74,291.30x = 102,497.06 × 42,437.65
  4. Step 4: Simplify right side
    74,291.30x = 4,349,733,845.82
  5. Step 5: Solve for x
    x = 4,349,733,845.82/74,291.30
  6. Step 6: Final answer
    x = 58,549.71

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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.