Home / 74,931.48-103,414.73-43,100.10

Finding the Fourth Proportional to 74,931.48, 103,414.73 and 43,100.10

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Solution

The fourth proportional to 74,931.48, 103,414.73 and 43,100.10 is: 59,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.48 : 103,414.73 = 43,100.10 : x
  2. Step 2: Convert to fraction form
    74,931.48/103,414.73 = 43,100.10/x
  3. Step 3: Cross multiply
    74,931.48x = 103,414.73 × 43,100.10
  4. Step 4: Simplify right side
    74,931.48x = 4,457,184,988.97
  5. Step 5: Solve for x
    x = 4,457,184,988.97/74,931.48
  6. Step 6: Final answer
    x = 59,483.48

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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.