Home / 74,916.79-103,388.30-43,085.71

Finding the Fourth Proportional to 74,916.79, 103,388.30 and 43,085.71

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Solution

The fourth proportional to 74,916.79, 103,388.30 and 43,085.71 is: 59,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.79 : 103,388.30 = 43,085.71 : x
  2. Step 2: Convert to fraction form
    74,916.79/103,388.30 = 43,085.71/x
  3. Step 3: Cross multiply
    74,916.79x = 103,388.30 × 43,085.71
  4. Step 4: Simplify right side
    74,916.79x = 4,454,558,160.44
  5. Step 5: Solve for x
    x = 4,454,558,160.44/74,916.79
  6. Step 6: Final answer
    x = 59,460.08

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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.