Home / 74,583.64-102,899.44-42,314.45

Finding the Fourth Proportional to 74,583.64, 102,899.44 and 42,314.45

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Solution

The fourth proportional to 74,583.64, 102,899.44 and 42,314.45 is: 58,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,583.64 : 102,899.44 = 42,314.45 : x
  2. Step 2: Convert to fraction form
    74,583.64/102,899.44 = 42,314.45/x
  3. Step 3: Cross multiply
    74,583.64x = 102,899.44 × 42,314.45
  4. Step 4: Simplify right side
    74,583.64x = 4,354,133,088.09
  5. Step 5: Solve for x
    x = 4,354,133,088.09/74,583.64
  6. Step 6: Final answer
    x = 58,379.20

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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.