Home / 75,678.33-104,432.11-43,411.32

Finding the Fourth Proportional to 75,678.33, 104,432.11 and 43,411.32

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Solution

The fourth proportional to 75,678.33, 104,432.11 and 43,411.32 is: 59,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.33 : 104,432.11 = 43,411.32 : x
  2. Step 2: Convert to fraction form
    75,678.33/104,432.11 = 43,411.32/x
  3. Step 3: Cross multiply
    75,678.33x = 104,432.11 × 43,411.32
  4. Step 4: Simplify right side
    75,678.33x = 4,533,535,745.49
  5. Step 5: Solve for x
    x = 4,533,535,745.49/75,678.33
  6. Step 6: Final answer
    x = 59,905.34

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1.5x scale

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.