Home / 74,849.67-112,355.39-66,582.63

Finding the Fourth Proportional to 74,849.67, 112,355.39 and 66,582.63

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Solution

The fourth proportional to 74,849.67, 112,355.39 and 66,582.63 is: 99,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,849.67 : 112,355.39 = 66,582.63 : x
  2. Step 2: Convert to fraction form
    74,849.67/112,355.39 = 66,582.63/x
  3. Step 3: Cross multiply
    74,849.67x = 112,355.39 × 66,582.63
  4. Step 4: Simplify right side
    74,849.67x = 7,480,917,027.96
  5. Step 5: Solve for x
    x = 7,480,917,027.96/74,849.67
  6. Step 6: Final answer
    x = 99,945.89

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1.5x scale

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.