Home / 74,944.12-103,443.74-43,123.28

Finding the Fourth Proportional to 74,944.12, 103,443.74 and 43,123.28

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Solution

The fourth proportional to 74,944.12, 103,443.74 and 43,123.28 is: 59,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.12 : 103,443.74 = 43,123.28 : x
  2. Step 2: Convert to fraction form
    74,944.12/103,443.74 = 43,123.28/x
  3. Step 3: Cross multiply
    74,944.12x = 103,443.74 × 43,123.28
  4. Step 4: Simplify right side
    74,944.12x = 4,460,833,364.27
  5. Step 5: Solve for x
    x = 4,460,833,364.27/74,944.12
  6. Step 6: Final answer
    x = 59,522.13

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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.