Home / 77,047.08-106,325.70-43,058.28

Finding the Fourth Proportional to 77,047.08, 106,325.70 and 43,058.28

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Solution

The fourth proportional to 77,047.08, 106,325.70 and 43,058.28 is: 59,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047.08 : 106,325.70 = 43,058.28 : x
  2. Step 2: Convert to fraction form
    77,047.08/106,325.70 = 43,058.28/x
  3. Step 3: Cross multiply
    77,047.08x = 106,325.70 × 43,058.28
  4. Step 4: Simplify right side
    77,047.08x = 4,578,201,761.80
  5. Step 5: Solve for x
    x = 4,578,201,761.80/77,047.08
  6. Step 6: Final answer
    x = 59,420.83

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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.