Home / 74,666.16-111,970.08-33,084

Finding the Fourth Proportional to 74,666.16, 111,970.08 and 33,084

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Solution

The fourth proportional to 74,666.16, 111,970.08 and 33,084 is: 49,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.16 : 111,970.08 = 33,084 : x
  2. Step 2: Convert to fraction form
    74,666.16/111,970.08 = 33,084/x
  3. Step 3: Cross multiply
    74,666.16x = 111,970.08 × 33,084
  4. Step 4: Simplify right side
    74,666.16x = 3,704,418,126.72
  5. Step 5: Solve for x
    x = 3,704,418,126.72/74,666.16
  6. Step 6: Final answer
    x = 49,613.08

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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.