Home / 77,381.34-116,080.38-33,012.78

Finding the Fourth Proportional to 77,381.34, 116,080.38 and 33,012.78

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Solution

The fourth proportional to 77,381.34, 116,080.38 and 33,012.78 is: 49,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.34 : 116,080.38 = 33,012.78 : x
  2. Step 2: Convert to fraction form
    77,381.34/116,080.38 = 33,012.78/x
  3. Step 3: Cross multiply
    77,381.34x = 116,080.38 × 33,012.78
  4. Step 4: Simplify right side
    77,381.34x = 3,832,136,047.26
  5. Step 5: Solve for x
    x = 3,832,136,047.26/77,381.34
  6. Step 6: Final answer
    x = 49,522.74

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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.