Home / 74,837.90-103,294.03-43,025.28

Finding the Fourth Proportional to 74,837.90, 103,294.03 and 43,025.28

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Solution

The fourth proportional to 74,837.90, 103,294.03 and 43,025.28 is: 59,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.90 : 103,294.03 = 43,025.28 : x
  2. Step 2: Convert to fraction form
    74,837.90/103,294.03 = 43,025.28/x
  3. Step 3: Cross multiply
    74,837.90x = 103,294.03 × 43,025.28
  4. Step 4: Simplify right side
    74,837.90x = 4,444,254,563.08
  5. Step 5: Solve for x
    x = 4,444,254,563.08/74,837.90
  6. Step 6: Final answer
    x = 59,385.08

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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.