Home / 74,270.47-102,491.46-42,437.32

Finding the Fourth Proportional to 74,270.47, 102,491.46 and 42,437.32

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Solution

The fourth proportional to 74,270.47, 102,491.46 and 42,437.32 is: 58,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,270.47 : 102,491.46 = 42,437.32 : x
  2. Step 2: Convert to fraction form
    74,270.47/102,491.46 = 42,437.32/x
  3. Step 3: Cross multiply
    74,270.47x = 102,491.46 × 42,437.32
  4. Step 4: Simplify right side
    74,270.47x = 4,349,462,885.29
  5. Step 5: Solve for x
    x = 4,349,462,885.29/74,270.47
  6. Step 6: Final answer
    x = 58,562.48

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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.