Home / 74,307.58-111,465.01-29,928.34

Finding the Fourth Proportional to 74,307.58, 111,465.01 and 29,928.34

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Solution

The fourth proportional to 74,307.58, 111,465.01 and 29,928.34 is: 44,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307.58 : 111,465.01 = 29,928.34 : x
  2. Step 2: Convert to fraction form
    74,307.58/111,465.01 = 29,928.34/x
  3. Step 3: Cross multiply
    74,307.58x = 111,465.01 × 29,928.34
  4. Step 4: Simplify right side
    74,307.58x = 3,335,962,267.13
  5. Step 5: Solve for x
    x = 3,335,962,267.13/74,307.58
  6. Step 6: Final answer
    x = 44,893.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.