Home / 74,730.42-112,128.65-39,183.24

Finding the Fourth Proportional to 74,730.42, 112,128.65 and 39,183.24

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Solution

The fourth proportional to 74,730.42, 112,128.65 and 39,183.24 is: 58,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730.42 : 112,128.65 = 39,183.24 : x
  2. Step 2: Convert to fraction form
    74,730.42/112,128.65 = 39,183.24/x
  3. Step 3: Cross multiply
    74,730.42x = 112,128.65 × 39,183.24
  4. Step 4: Simplify right side
    74,730.42x = 4,393,563,607.91
  5. Step 5: Solve for x
    x = 4,393,563,607.91/74,730.42
  6. Step 6: Final answer
    x = 58,792.17

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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.