Home / 74,973.57-103,541.01-64,853.43

Finding the Fourth Proportional to 74,973.57, 103,541.01 and 64,853.43

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Solution

The fourth proportional to 74,973.57, 103,541.01 and 64,853.43 is: 89,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.57 : 103,541.01 = 64,853.43 : x
  2. Step 2: Convert to fraction form
    74,973.57/103,541.01 = 64,853.43/x
  3. Step 3: Cross multiply
    74,973.57x = 103,541.01 × 64,853.43
  4. Step 4: Simplify right side
    74,973.57x = 6,714,989,644.16
  5. Step 5: Solve for x
    x = 6,714,989,644.16/74,973.57
  6. Step 6: Final answer
    x = 89,564.76

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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.