Home / 74,273.81-102,498.03-42,442.64

Finding the Fourth Proportional to 74,273.81, 102,498.03 and 42,442.64

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Solution

The fourth proportional to 74,273.81, 102,498.03 and 42,442.64 is: 58,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.81 : 102,498.03 = 42,442.64 : x
  2. Step 2: Convert to fraction form
    74,273.81/102,498.03 = 42,442.64/x
  3. Step 3: Cross multiply
    74,273.81x = 102,498.03 × 42,442.64
  4. Step 4: Simplify right side
    74,273.81x = 4,350,286,475.51
  5. Step 5: Solve for x
    x = 4,350,286,475.51/74,273.81
  6. Step 6: Final answer
    x = 58,570.93

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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.